Bbc Aluminum Oval Port Heads

GM BIG BLOCK Chevy Large Oval Port Heads 3872702 1966 396 325HP 360HP 427/390HP - $375. Needing to purchase a pair of Oval Port BBC Aluminum heads for a new build. Pro Filer Sniper Big Block Chevy Heads with 320cc Intake Runner, 2. Hence these heads are up for sale. Find BBC Chevy Big Block 1966 Cylinder Heads Oval Port Closed Chamber 3872702 motorcycle in Fresno, California, US, for US $550. (These heads are becoming scarce as they were replaced early in production with "peanut port" versions. Chevrolet Head Casting Number Reference 10134352 Bow Tie Low Port Aluminum with 18º Angled Plugs 45cc 223cc Intake Ports 330864 396-454 70-81 Oval Port. speedmaster79. 510 lift Exh 307* dur –. flat tapp: bbc 454 496 alum heads 118cc chamber 330cc runner solid roller: bbc 454 496 alum heads 118cc chamber 330cc runner hyd. • BBC engines with any deck height and 23 degree heads. Every intake port, every exhaust port, every valve bowl and every combustion chamber is 100% CNC machined on special, dedicated Pro 1 castings. This 11:1 468 engine with GM "215" cast iron oval port heads ran a best of 10. Eligible for Free Shipping. (Then, when this happens, the ports in the header flanges don't line up with the ports in the head and, to make matters even worse, the port SHAPE and SIZE in these Ford heads can be different than that in the Chev header flange so the Chev header flange blocks the port in the Ford head reducing exhaust flow!). BBC Crate Motors. So my question is which heads do I use? The 290's or 063's? The car sees the dragstrip a good bit but never sees over 6500 rpm which is why I have oval ports. 1007 rectangle port gaskets. Find great deals on eBay for bbc aluminum heads and bbc used aluminum heads. The next set are 3931063 heads which look to have low miles on them and I also have the heads off my old motor which are 3964290 heads. 190 Intake 1. These high velocity "290cc intake runners enhance mid range throttle response and torque. I have run the Holley strip dominator on my 427's with rect port heads, but these were 7400 rpm or higher engines. 310 bore, the stock iron heads checked in with peak intake flow numbers of 335 cfm. They have an open style 115cc combustion chambers and 320cc intake runners. 454 bbc 336781 oval port cast heads - $500 (Live oak) Set of perfect cond 336781 oval port heads just taken off complete. Both heads have some port work done which look to be professionally done. AFR 265cc Oval Port “Magnum” BBC Small Port, High Velocity, Torque Monster. Since it is almost impossible to compare the flow numbers from different flow benches I have started this page to show you how much cfm gain I have gotten out of the heads I have ported. Quick View. I am trying to get some answers/opinion on something i am investigating on BBC Cylinder Heads. Dart 275 Oval BBC Aluminum Cylinder Head Part# 19000010 - 19000172 Material: 355-T61 alum alloy Comb Chambers: 121cc Intake Valve Dia: 2. Ford Cylinder heads casting and Mustang Cylinder heads casting. Discover Pro Comp Heads Bbc on sale here with the largest choice of Pro Comp Heads Bbc anywhere online. These heads offer “out of. If you do not mind the small oval ports those are the heads you will need. I believe they may be the 269 intakes. BuyAFR : AFR BBC Race Heads - AFR SBC Race Heads AFR BBC Race Heads AFR SBF Race Heads AFR LS1 Cylinder Heads AFR Master List AFR SBC Race Heads AFR BBC Race Heads AFR SBF Race Heads AFR LS1 Cylinder Heads Supporting Components BuyAFR, AFR, airflow,airflow research, research,cylinder heads,. A very mild cam was added with a aluminum duel plane intake and holley carb. Find the best aluminum bowtie street cylinder heads for your big block engine from Chevrolet Performance. Its money and they will build you anything. BBC Cylinder Head Casting Numbers: RECTANGULAR PORT - Valve size 2. These have higher airflow rates than production oval-port heads. we have a port design just for the application. Find World Products Merlin Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! These World Products Merlin cylinder heads for big Chevys combine large intake runners with open combustion chamb. 88 exhaust OVAL PORT - Valve size 2. - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. Important note. I would like to run iron, but my hearts not set on running iron, i just know i can pick up a set cheaper than aluminum. BOWTIE OVAL-PORT ALUMINUM CYLINDER HEAD, BARE. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. The Low Down On BBC Heads square' port cast iron and aluminum cylinder heads are strictly for high-performance use. The peanut ports were the truck heads, and the oval port heads were the passenger car heads. 180 / 200 / 210 / 230 CC intake runners available. AFR's 265cc Magnum "As Cast" Oval Port heads are the preferred choice over reworked factory heads. I have a pair of assembled oval and rectangle port aluminum big block cylinder heads. Also they must be steel heads. 19 intake valves and they are fine. You also want make sure that the spring and retainer package is matched appropriately to what the customers needs. The RHS™ BBC 24-Degree CNC-Ported Aluminum Cylinder Heads are available with either a 339cc or 376cc runner volume and a 121cc combustion chamber and are designed using the RHS™ exclusive Clean Cast™ Technology to deliver superior port-to-chamber transitions for greater airflow. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Cars & Trucks Motorcycles Other Vehicles & Trailers Boats Powersports Parts & Accessories Automotive. If you do not mind the small oval ports those are the heads you will need. More "pedestrian" engines (read passenger car and truck), received the oval-port cylinder heads. These oval port heads will support over 540 hp with 9. Hemi's with blowers. The next set are 3931063 heads which look to have low miles on them and I also have the heads off my old motor which are 3964290 heads. Pro Filer Sniper Big Block Chevy Heads with 320cc Intake Runner, 2. Pace Performance offers the best pricing on products offered by Chevrolet Performance Parts. Please note that all of our engines can be made turn key. I run a set of 781s modified for 2. If you prefer Felpro gaskets, the PCE281. He is showcasing AFR's 265cc CNC Oval Port Heads for the Big Block Chevrolet. Herbert Cams, receives all of our heads bare and are finished and assembled in house. Sort: Display: Displaying 1 - 12 of 17 results 19331422 Replaces 12363399 Signature Series Aluminum (Oval Port) Cylinder Head + Add to Cart. This will not be for a. 880” Exh Port volume: 129cc Exhaust Port Dim: 1. Be sure to check out all of our products from Moroso Performance Products including Moroso Performance Products Aluminum Valve Covers - Small Block Chevy. The oval port heads would still make close to this, but it's fair to say that due to most people running a dual plane intake with the oval port heads, the power would drop by approx. 6 roller rockers. 19 intake, 1. 06 intake, 1. Cylinder Heads. These heads deliver more features, higher flow characteristics and better finish quality than other competitive brands. I think the 049 and 781 heads are both about equal. Shop with confidence. They offer the largest intake-port volume of 290 cc. I have for sale a set of good used, recently removed BBC oval port cylinder heads. Bowtie Street Cylinder Head Technical Notes: • Made from 356-T6 aluminum • Available in rectangular- or oval-port designs. In addition to the nearly 80lb weight savings these heads offer over factory cast iron h. Find great deals on eBay for bbc aluminum heads and bbc used aluminum heads. The casting number on each head is 3872702. I am trying to guesstimate what kind of power and torque increases I would gain. Callie’s said it’s good for 2000 HP!!! $500!!! Also have bbc oval port heads, single plane intakes, std. PW Heads set the standard in performance aluminum cylinder heads. All World heads have a World casting mark. cast crank with brgs, stock rods, pistons, blocks, MSD ignition, cams, lifters, accessories!!! $1000 no less!!! I have no need for these parts!!! Text only do to work I will get back to you as soon as possible. 250 Intake Valve & 1. This is for ONE, Good Used Original Chevy Corvette Big Block Aluminum Low Rise Oval Port Q-Jet Intake Manifold (GM Part Number 3947801, GM Group Number 3. GM BIG BLOCK Chevy Large Oval Port Heads 3872702 1966 396 325HP 360HP 427/390HP - $375. BBC ProComp Aluminum Cylinder Heads 300 Runner Assembled - Item # PCM 3021-396C. Big Block Bbc Chevy 454 496 300cc Oval Port Aluminum Heads Assem. I have a 72 402 with oval heads a mild cam at @350 hp that is a stump puller, is very dependable and gets fair gas mileage. The second of the true as-cast heads, the oval-ports from Procomp Electronics. Dart 19000111 Cylinder Heads Aluminum Big Block Chevy Pro1 275cc 2. BBC-OVAL-272 BIG BLOCK CHEVY 300cc OVAL PORT ALUMINUM HEADS BY PROCOMP FULLY ASSEMBLED, SETUP FOR USE WITH HYDRAULIC FLAT TAPPET CAMS UP TO 560 LIFT. These heads deliver more features, higher flow characteristics and better finish quality than other competitive brands. Ford Cylinder heads casting and Mustang Cylinder heads casting. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Factory heads are classified as either high-performance (rectangular port) or standard passenger car (oval ports). Indeed, some heads are termed oval, such as the Edelbrock E-Street and Performer RPM with their 290-cc ports, but in fact, they are more like a. I believe they may be the 269 intakes. Cylinder Heads. So my question is which heads do I use? The 290's or 063's? The car sees the dragstrip a good bit but never sees over 6500 rpm which is why I have oval ports. Hemi is back in the marine engine business again. Picture shown with optional equipment for additional cost. When the conversation is about oval port heads for a small bore BBC, THIS is the head Yes Chad they're Brodix heads a raised oval port, the same head that won the 2005 EMC and dominated the EMC for a few years before as well too is run on Northeast Modified cars BUT they'll set you back some coin and require a custom manifold. Pro Action Bare Aluminum Cylinder Heads (25) Pro Action Pre Assembled Aluminum Cylinder Heads (53) Pro Elite Cylinder Heads (20) Pro-Port Raw Cylinder Heads (21) SBC (5) SBF (1) Victor Jr. Holley® has been the undisputed leader in fuel systems for over 100 years. Unless you are building a full-tilt race engine (which would probably use an aluminum head anyway), an oval port head might be right for you. Valve size will increase appropriately with port size. This is new PAIR of our newly released Assault Racing rectangle port big block Chevy aluminum cylinder heads. 1488 heads work well with our PCE349. I can get them for 800 and they are fresh. Many heads with port volumes in the range of 300 to about 345 cc exhibit properties of port flow distribution, top to bottom, that are more like an oval port rather than a factory rectangular port. Component. stands behind each product we manufacture 100%. In addition to the nearly 80lb weight savings these heads offer over factory cast iron h. LS Series Gen III & IV, Rotating Assemblies; Chevy Rotating Assemblies. BBC Intake Manifold Casting Numbers. I can get them for 800 and they are fresh. Available for 86 and earlier engines. you put an oval port head on that motor and it will be done by 5000-5500 dont waste money on old 781 heads when you can get aluminum for a little bit more. Big Block Bbc Chevy 454 496 300cc Oval Port Aluminum Heads. So my question is which heads do I use? The 290's or 063's? The car sees the dragstrip a good bit but never sees over 6500 rpm which is why I have oval ports. Dart Machinery, LTD. * No Risk Guarantee * Don't want to take a chance on used parts? Neither would we. 06 intake, 1. Our user id is: skipwhite, and our store name is whiteperformance1. 1008 oval port gaskets. This is for ONE, Good Used Original Chevy Corvette Big Block Aluminum Low Rise Oval Port Q-Jet Intake Manifold (GM Part Number 3947801, GM Group Number 3. If the part does not fit or you do not like the look of it, feel free to return it. Will that be okay or will there be a big horsepower loss? I've read that you shouldn't do this because the engine will suffer a big power loss. Pace Performance offers the best pricing on products offered by Chevrolet Performance Parts. I have a pair of assembled oval and rectangle port aluminum big block cylinder heads. Only 5 passes on them, I need more. Both the oval and rectangular port heads are hard anodized to protect the aluminum in the harsh marine environment. OEM bbc heads Engine Building, Hi Performance. Has complete GM harness and all sensors and standard used injectors (all these items are included, but have been removed in photos, for port work). BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS ASSEM. We work on many types of BBC heads including factory Chevy Oval and Square Port, Dart 308 and 345 Square Port, World Merlin and Engine Quest BBC heads. RFD BD2300 Symmetrical SBC. Find many great new & used options and get the best deals for Brodix Big Block Chevy BBC Hutter Raised Port Cylinder Heads and Intake at the best online prices at eBay!. "the mbe alcohol pro extreme is a complete game changer. Im putting them on a flattop 496 with boost. They offer the largest intake-port volume of 290 cc. As cast or CNC, bare or assembled. Included are Crane gold series 1. Chevy V8 Casting Number. 880 Exhaust Valve. These heads are fully CNC ported and have our priority racing valve job. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. Finishes available in “As Cast” and Black Wrinkle Finish Powder Coated. AFR Big Block Chevy 265cc Oval Port Magnum Aluminum Cylinder Heads. Can be complete or bare. The Edelbrock Performer RPM oval ports are an interesting mix within the collection of aftermarket aluminum oval-port heads. ported with valve job. Edelbrock Performer RPM BBC Oval Port 6045: 5-Axis CNC Porting of Intake and Exhaust Ports. Find AFR 265cc Oval Port Magnum BBC Cylinder Heads 3610-1 and get Free Shipping on Orders Over $99 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. The BB-5 heads are the largest intake port BBC head castings, with raised port aluminum cylinder heads recommended for 565 cu. The different levels of Conversion kits start with the 18° Dart Big Chief cylinder heads and end with the awesome Reher-Morrison 12° RAPTOR Oval Spread Port cylinder heads. Use your cylindrical carbide bit to cut this white ring away. 5 degree angle to improve intake port alignment and create a smaller chamber without valve shrouding. What are the best factory BBC oval port heads? He probably doesn't want to have to run a special design piston. Chevrolet Performance Bow Tie Race Cylinder Heads are designed for monster-cubic-inch stroked big blocks to maximize their performance. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro-Stock champion for four decades. @ 3,700 rpm Aluminum oval-port cylinder heads High-lift hydraulic roller camshaft Includes water pump, balancer,. 1-16 of 343 results for "big+block+chevy+aluminum+heads" Skip to main search results Amazon Prime. Is there such a thing? Everything I find is either aluminum or rectangle. AFR Big Block Chevy 265cc Oval Port Magnum Aluminum Cylinder Heads. bbc 454 496 alum heads 118cc chamber 330cc runner hyd. WELD TECH is the recognized leader in TOTALLY C. Can be complete or bare. 5 Dart Big Chief Aluminum BBC Cylinder Heads 18-Degree Super. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. The casting number on each head is 3872702. Allow an extra 5 days for delivery. 0-liter applications. 345 hp 300 miles on motor. A new high velocity oval port design makes this head an ideal choice for street cars and trucks. BBC News provides trusted World and UK news as well as local and regional perspectives. 19 intake valves and they are fine. All a 402 is a 396 bore. The edelbrock 454-O heads are the ones with the rectangular oval port. One head has casting date 5. @ 3,700 rpm Aluminum oval-port cylinder heads High-lift hydraulic roller camshaft Includes water pump, balancer,. Browse your favorite brands affordable prices free shipping on many items. A very mild cam was added with a aluminum duel plane intake and holley carb. Exhaust ports are in the stock location eliminating header or manifold interference. Brodix 351/365 Oval Port Big Block Chevy Cylinder Heads, Priced From: $3,695 Custom Built by Shafiroff Race Engines and Components. The CFE 14 degree Spread-Port head is perhaps the most diverse of any of our Pro Stock style cylinder heads. BuyAFR AFR 265cc Oval Port Magnum BBC [3610] - AFR 265cc Oval Port Magnum BBC Small Port, High Velocity, Torque Monster Click to enlarge Want to wake up the Big Block in your favorite tow vehicle?. These heads have large oval intake ports and closed combustion chambers. 550" Single Springs for Hydraulic Flat Tappet Lifters Material: RMR Cast Aluminum Alloy Valve Angle: 24° Intake Port Volume: 275cc Intake. and larger engines, with capabilities of sustaining 600 + cu. Carburetor of choice is a 950HP 4150. Looking for the right Bbc Aluminum Heads Oval today? Find your next Bbc Aluminum Heads Oval and other auto parts and accessories for sale on Ebay today. Dart 370 Race Series CNC FULL PORT Aluminum Heads for Big Block Chevy Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and. I know the 781 and 049 are the best oval port heads, but was told they weren't the best for boost. Brodix 340 heads BBC. 50 and 45 degree valve job available. Only 5 passes on them, I need more. 5:1 compression when used as part of the Total Power Package, Unique oval intake port shape produces flow similar to rectangular ports, but the smaller port size provides excellent seat-of-the-pants performance and crisp throttle response, Semi-open chamber design maximizes efficiency with streetable compression ratios,. Cars (US) » dart aluminum heads bbc. The first casting number is 14092360 86-88 year, small oval port, open chamber at 118 cc's 454 truck head. All factory oval-port heads are made of cast iron. Including 19331425 - Complete Oval Port Aluminum Head 2. CSI Automotive Sales, Service & Parts. View Details. Up for sale a pair of ZL1 L88 Aluminum Big Block Chevy cylinder heads. Dart Machinery, LTD. These heads are best for vehicles that see frequent drag-strip action. Cylinder heads with oval intake ports are smaller in volume and are designed for greater low-rpm torque. Its BBC oval-port heads qualify on both counts, as the as-cast aluminum heads maximized airflow and minimized cost. Air Flow Detail #174 BBC Sniper Head - 320cc Runner. AFR 265cc BBC Oval Port Cylinder Heads Hydraulic Roller Springs - Air Flow Research 3610 - TREperformance. I had a peripheral hand in helping out with this high-effort street engine build. Our BBC heads utilize a 1. A new high velocity oval port design makes this head an ideal choice for street cars and trucks. AFR 265cc BBC Oval Port Cylinder Heads Hydraulic Roller Springs - Air Flow Research 3610 - TREperformance. Crower builds performance racing parts from camshafts to crankshafts. We are in the process of updating our line of bbc cams to the special grind numbers that are highly suitable for the Procomp heads for use in street rods. More "pedestrian" engines (read passenger car and truck), received the oval-port cylinder heads. Dart 370 Race Series CNC FULL PORT Aluminum Heads for Big Block Chevy Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and. 5:1 compression when used as part of the Total Power Package, Unique oval intake port shape produces flow similar to rectangular ports, but the smaller port size provides excellent seat-of-the-pants performance and crisp throttle response, Semi-open chamber design maximizes efficiency with streetable compression ratios,. Please note that all of our engines can be made turn key. 250 Intake Valve & 1. This is a new aluminum dual plane intake for big block Chevy engines. Dart Big Chief Aluminum BBC Cylinder Heads 11-Degree BCII Full Port Oval Bare 2. I installed a set of the 350-cc port heads in out-of-the-box form on a mule engine. When examining any Pontiac head today it requires an open mind. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. All World heads have a World casting mark. There were no original Mark IV oval-port aluminum heads from the factory Oval-port heads are found on trucks and passenger cars from 1965 through 1990 and they are an excellent choice for street performance applications. Dart 275 Oval BBC Aluminum Cylinder Head Part# 19000010 - 19000172 Material: 355-T61 alum alloy Comb Chambers: 121cc Intake Valve Dia: 2. Features 100% CNC machined intake runners , exhaust ports and combustion chambers; capable of flowing 375 CFM at 0. Air Flow Detail #174 BBC Sniper Head - 320cc Runner. Is there such a thing? Everything I find is either aluminum or rectangle. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. The Low Down On BBC Heads square' port cast iron and aluminum cylinder heads are strictly for high-performance use. What are you trying to do? For a street oval port I would go with the Air gap. BBC-OVAL-274 Complete Aluminum Cylinder Heads BBC Chevy 454 320cc 115cc 2. Pit Stop USA offers Moroso Fabricated Aluminum Valve Covers w/ Spring Oilers - Billet Rails - SB Chevy 18? , 23? Heads 68329 at low everyday prices. Dart 19000111 Cylinder Heads Aluminum Big Block Chevy Pro1 275cc 2. I have run the Holley strip dominator on my 427's with rect port heads, but these were 7400 rpm or higher engines. 5 Dart Big Chief Aluminum BBC Cylinder Heads 18-Degree Super. NEW from Edelbrock - E-Street™ 290 - Oval Port for B/B Chevy. It will be a 427. Top Quality Custom Built Engines. Please let me know what casting numbers I should be looking for. Just make sure when you say Hi to the RPM heads, you choose the proper components, as Edelbrock offers their top-end upgrades for both flat-tappet and hydraulic roller cams. I'm running the GM Performance aluminum Oval port head on my 427 BBC. The PRO1’s race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports, and fast burn chambers. The D-Port roof extends well above the center line of the exhaust port, whereas the D-shaped port fits nicely inside what is deemed a standard port dimension. BBC RHS / EQ Cast Iron Truck Pull Heads. I have a set of 290 closed chamber heads w/large valves but there is going to be a significant mismatch between the rect port intake and the oval port heads. Im putting them on a flattop 496 with boost. 05" Int Port Location: Stock Intake Gasket: Fel Pro 1210 Exh Valve Dia. Since it is almost impossible to compare the flow numbers from different flow benches I have started this page to show you how much cfm gain I have gotten out of the heads I have ported. 190 Intake 1. I did swap to a CNC super victor on my 540. BBC Crate Motors. -CNC ported with Weingartner Racing Port Design pair bare $2600 (coming soon) -Brodix 270cc oval port as cast heads assembled for flat tappet or Hydraulic roller cams pair $1950 -Brodix 270cc oval port as cast heads assembled for Solid roller cams up to. Big Block Chevy (BBC) race engines & rotating assemblies by Raymac Racing Engines, Mansfield & Fort Worth, Texas. Accessories - Heads drilled and taped for standard accessories (alternator). The smallest of the bunch (peanut port) flows the least at around 250 cfm, while the. If you have a set for a reasonable price let. Callie’s said it’s good for 2000 HP!!! $500!!! Also have bbc oval port heads, single plane intakes, std. View Details. 00 AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 109cc, 2. Free Shipping by Amazon. Iron heads should be abolished and replaced by aluminum heads just on principle. Allow an extra 5 days for delivery. Also they must be steel heads. Changing to 502 oval aluminum heads, and was going to use this intake. Intake runner size is 192cc, as cast. Information On Car and Truck Repair, Parts and Services New, Used and OEM Automotive Parts For Do It Yourself Car and Truck Repair. Edelbrock, Holley, Offenhuaser, Chevy, etc. Kit includes: Dart Big Chief or Pro-FIler Intake, Dart Big Chief 14° & 18°, Big Duke 18° or Pro Filer 12° Heads, Jessel Shaft Rockers, Aluminum Sheet Metal Valve Covers, Cyl Head Stud Set, Wiseco / JE Pistons, Speed Pro Rings, Clevite Bearings, Custom Ground Camshaft (4/7 swap), Comp Cams Lifter Set,. Need a chamber in the 120cc range, and have a square and oval port intake to choose from. Our medium sized 290cc oval port cylinder head is recommended for moderate street or street/strip big block chevys with displacements up to 509 cubic inches, operating at or below 6500 RPM. As for as parts go, I have purchased a Lunati Voodoo cam part# 60204 with 554 lift and 276 duration, Edelbrock RPM Air-Gap intake,and MAHLE forged dome pistons. For all you bbc guy out there, can yal answer this question? I dont know much about big blocks, but can you run a square port intake on oval port heads? I dont know what heads they are i think they are 325 horse 396 heads, the intake is a offenhauser cross ram. Im putting them on a flattop 496 with boost. 00 MSD HEI distributor #8362. Bbc-oval-272. These Pro Comp Cylinder Heads have a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip. This will not be for a. I know of some fast cars with O port heads but they had some pretty extensive port work done. Other features include replaceable step bronze guides, 2. I would like to run iron, but my hearts not set on running iron, i just know i can pick up a set cheaper than aluminum. The new installment of our big-block heads shootout includes both oval port and rectangular port heads. sonny's symmetrical port 5" bore spacing 11 degree "pro series heads" sonny's symmetrical port 5" bore spacing 5 x 13 "pro series" heads; sonny's symmetrical port 5" bore spacing 5 x 16 "pro series" heads; sonny's symmetrical port 5" bore spacing "pro series" heads (drag) sonny's symmetrical port 5" bore spacing marine / high performance street. Ford Cylinder heads casting and Mustang Cylinder heads casting. I believe I really need to find a set of oval port heads from what I have read. 88 inches optional),. Carburetor of choice is a 950HP 4150. this is an original gm aluminum intake for the 427 chevy engine with retangular port heads and holley carburetor. Make an offer!. I wish to point out that Pontiac manufactured heads with push-in studs and screw-in studs using guide plates. Cylinder heads with oval intake ports are smaller in volume and are designed for greater low-rpm torque. 50 View Item Details Chevy Bbc Big Block 454 320cc 115cc High Performance Aluminum. All World heads have a World casting mark. This wide range of port volumes allows the oval port to compliment virtually any engine combination available. do NOT contact me with unsolicited services or offers. purchased a pair of procomp heads(#3021c) for my 454 chevy big block engine. WELD TECH is the recognized leader in TOTALLY C. 550" Single Springs for Hydraulic Flat Tappet Lifters Material: RMR Cast Aluminum Alloy Valve Angle: 24° Intake Port Volume: 275cc Intake. ported with valve job. Please contact me with any questions you may have. Factory heads are classified as either high-performance (rectangular port) or standard passenger car (oval ports). 454 Chevy Big Block V8 Cylinder Heads in-stock with same-day shipping. Dart/Buick RARE Buick/SB Chevy Aluminum Cylinder Heads & Intake, Raw Castings. When examining any Pontiac head today it requires an open mind. Free Shipping by Amazon. Edelbrock's all new line of heads are designed for entry-level street performance engines and ideal for operating in the idle to 5500 rpm range. I think the 049 and 781 heads are both about equal. Small Block BRODIX® Blocks; The Race-Rite® rectangular or oval port is the answer for more horsepower. Same as P/N 12363406 (see previous page), except it has been CNC-port-matched for GM aluminum oval-port heads with large oval-port heads (1975-and-older), and all aluminum heads with oval-ports NOTE: Open carburetor spacer is not recommended with use of dual-plane manifolds. Every head is ported to the customers needs which doesn't n. A 402 does not have the displacement to build any velocity through a port that size. Newly designed exhaust ports that flow extremely well with smaller valve diameters makes these heads a great choice for various engine combinations. Big Block Chevy Bbc 454 Rectangle Port Bare Aluminum Cylinder Heads 122cc 330cc. But every thing has told us that those old heads didn't flow like the open chamber ones so we threw the closed chambers in the corner i have a set of the first 840 heads made in that pile myself just went down and looked there is a set of 077 alum heads that were deemed to small of intake port also, some flow bench guy along the wrote it to. Aluminum Olds/Chevy DRCE 3 "Pro Stock" for blocks with 4. Cam: Hydraulic flat tappet MC1958 Int 293* dur –. This process will enhance exhaust gas expansion into the manifold and increase port flow. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. This is a pair of original GM cylinder heads for a Big Block Chevy Engine. Same as P/N 12363406 (see previous page), except it has been CNC-port-matched for GM aluminum oval-port heads with large oval-port heads (1975-and-older), and all aluminum heads with oval-ports NOTE: Open carburetor spacer is not recommended with use of dual-plane manifolds. On World heads, casting marks and numbers are found below the valve cover bolts, in-between the valve rocker studs. 320cc CNC ported Brodix BB-2 aluminum big block Chevy cylinder head. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/rwmryt/eanq. 19 intake valves and they are fine. Reher-Morrison′s Spread Port Cylinder Head Conversion Kits come complete with all the necessary components required to convert your Big Block Chevy engine. Call Joe @(865) 573-9151 for more information. 00) 1965 66 big block chevy heads 3856206 corvette bbc f-8-5 g-29-5 65 206; Iskenderian pushrods(US $169. The large square port was used on the high performance engines and the oval port was used on lower and medium performance applications. They have an open style 115cc combustion chambers and 320cc intake runners. Browse your favorite brands affordable prices free shipping on many items. SERDI Valve Job. Needing to purchase a pair of Oval Port BBC Aluminum heads for a new build. Important note.