Heads are ready to bolt on right out of the box, Made from high quality components, built to last and assembled in our California facility. Joe celebrated over 40 years in the high performance manufacturing industry. When BTR performs this operation, the O-ring and receiver grooves are located off of the cylinder head and block dowel pins, and are machined on a Cincinnati CNC machine, which makes it easy to get perfect. 455 Olds to Go by Marlan Davis, Car Craft Joe Mondello builds a 500-horse 455 thats the Torque of the town. This car is called the Hefty HEMI and will compete in the NMCA - Nostalgia Super Stock class! Estler's Mortgage Lifter tomato is one of the most popular heirloom varieties that is perfect for home gardeners. Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. CHECK OUT THESE OUTSTANDING FEATURES: RAISED EXHAUST PORTS THAT ACCEPT STANDARD FLANGES. The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. 0000363215 00000 n WebSpeedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. Complete Cylinder Heads Guide for FLAT TAPPET OR HYD. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. There are a number of head gaskets for the Oldsmobile engine. The heads are offered in four different configurations, from a basic CNC-chamber, CNC intake/exhaust port design that flows 340 cfm on the companys Superflow SF600 flowbench all the way up to the big-dog 400-plus cfm max-effort cylinder head designed for all-out racing applications. Most Olds folks seem to prefer theC heads for their added performance and better flow. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website. I personally prefer the gaskets from Flatout; they are made to order with any bore size and configuration, and are made and shipped within a few days. Eddies Performance Motors-High Performance Engines, Crate When it comes to yellow tomatoes, Carolina Gold is a popular determinate variety. Back in the mid to late-00s, Wise was racing his Olds in the NMCAs Pro Stock class using a set of warmed over old-school Batten cylinder heads, and he eventually came to the realization that if he wanted his combination to progress, he was going to have to do something about the induction system, as the Batten heads were, for lack of a better term, tapped out. Head Build Kits include the following: Intake Valves, Exhaust Valves, Valve Spring Retainers, Valve Locks, Valve Springs, Valve Stem Seals, and Valve Spring Locators. THESE HEADS WILL HAVE 2.190 INTAKE AND 1.72 EXHAUST VALVES. 1 PAIR OF ROCKET RACING CYLINDER HEADS. NO HEAD BOLT HOLES TO DEAL WITH WHEN PORTING. Tomato Varieties: From Determinate to Indeterminate & Dark to Yellow Research Your Options Before Planting! EDELBROCK CYLINDER HEADS The Stage 1 head is fully CNC-machined and is delivered with 5/16-inch bronze valve guides and iron seats. Edelbrock recommends a Champion plug in their info for the head. Today, Chevrolet performance cylinder heads still utilize the identical combustion chamber, which Joe designed in the early 1960s known as the Posi-Flow chamber. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. Includes port matching and blending of the plenum and its dividers. // Ported Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. EFVU(eufv7GWgw8HXhx)9IYiy*:JZjz m !1AQa"q2#BRbr3$4CS%cs5DT $3795. FEATURES INCLUDE: The only heads designed specifically to accommodate almost any CNC port configuration; Hot Isostatic Pressing castings available for increased strength and density; Cast in the USA at Edelbrocks state-of-the-art foundry Mated with the fuel injection, it starts right up, has a nice raspy idle and great throttle response., 572 HEMI in a 64 Dodge 440 - Best Machine Racing Engines built the engine - we chose the Edelbrock heads as they were impressive castings with great finish and flow right out of the box! Mondello Performance Products, Inc. 1103 Paso Robles Street Paso Robles, California 93446, Toll Free Order Line: 877-322-4489 (Ordering with part numbers only). The impetus for the design came from, of all places, a look at the Chevrolet SB2-style cylinder head and its excellent-flowing, modern combustion chamber and port design. Older Post Porting at Home by Michael Lufty, All Chevy Head Wizard Joe Mondello offers tricks of the trade. DRILLED FOR 1/2" HEAD STUDS. A The phone number for Heads Shop is: (201) 223-2300. The Oldsmobile V-8 engine is not dead, says engine builder Brad Wise of Wise Performance Engineering. Competition valve job: $200 A must for improved flow. When a Top Fuel car uses a method other than this to seal combustion pressure, Ill try it. Those were the days when you started a race with a flag man starter, not a Christmas tree. Includes bowl port. All rights reserved. BTR stocks the commonly used thicknesses, and they are available in .027-, .030-, .036-, .040-, .045-, .051-, .060-, .065-, .071-, .074-, and .120-inch sizes. You have a direct, line of sight to the valve on both the intake and exhaust side. Our race prepped heads use a 2.19 intake valve and are 244 cc runner. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. For the racing weve done, there is no cylinder head out there that was worth anything, he explains. Most Olds folks seem to prefer theC heads for their added performance and better flow. Speedmaster Cylinder Head parts have been assembled with the finest premium components to provide your engine with optimal airflow for maximum engine performance. Another method of blocking the exhaust crossover is to machine a pocket on the intake side and press fit or silicone a piece of metal in there. 0000369682 00000 n Speedmaster line of EFI systems is all you need when deciding to upgrade your engine to modern electronic fuel injection. If its a 383 stroker, you can probably go with 200cc intake runners. They must line up perfectly to each other. Tests performed same day at delta P= 28" Hg Edelbrock heads ported by RR flow virtually identical to those ported by M at valve lift above 0.400", but at 0.200" lift, M porting yields 20% better flow than R porting. Peppers take longer than tomatoes to get going, so start them first. COMPLETE READY TO BOLT ON. Speedmaster crate engines have become a huge success all over the world. I have seen many heads that have been milled unevenly, which throws everything off. Includes port matching and blending of the plenum and its dividers. 365-385 ports. To learn more, view our This modification is easily performed during the valve-job operation and turns an old, rusty, worn-out cylinder head with pitted seats into a set that is in brand-new condition. flat head Ford along with 4 Stromberg Carbs, Edelbrock heads & manifold and of course, an Engle camshaft. EACH SET OF HEADS IS BUILT TO YOUR SPECIFIC ENGINE. All rights reserved. These heads solve all of those problems, Wise explains. Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation. The famed Mondello-Matsubara Blown Fuel Altered won two National Events in the 1960s. Includes port matching. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile Intake and fuel systems; Oldsmobile rotating systems; Camshafts and lifter sets; Oldsmobile roller rockers and pushrods; Stage III: See below for pricing Complements any head porting for maximum horsepower. Reusing this cam for this year. Speedmaster has taken the guesswork out of top-end component selection by actually placing the top end components together in complete kits. 75 mm throttle body, A 90 mm mass, 24 or 30 lb injectors and a chip and tune after. As the Oldmobile engine was offered in both small-block (9.330-inch deck height) and big-block (10.625-inch deck height) with no other changes to the basic architecture, the cylinder heads works on either combination without any issues. Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. Side & Ream Head Bolt Holes, Finishing of Custom Unfinished Race Block, Machine / Align Bore for Big Ford Cam Bearings, Balancing V-8 Assemblies (Heavy Metal to Balance Additional Time & Material), Intake Match, Bowl Blend, Polish Chamber& Exhaust Port (Pr). If you bolt a set of big-block heads on a small-block, its like bolting on a ported head. My question is how far can you port these heads? WebEdelbrock Oldsmobile Heads. hump in the exhaust port, clean up of the bowl area behind the valve seat, and tear Until then, my serious engines are sealed by this method. I have not found any considerable difference between the castings, with the exception of the J heads. As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. They did change quite a bit in the later smog engine years. 1101 W. Rialto Ave. Rialto, CA 92376, USA+1 (310) 361-0020, 23 Mount Erin Rd,Blair Athol NSW 2560, Australia+61 2 9607 2299. Stage III: $850 Our "strip" port job - the best bang for the buck. It'll pass anything except a gas station :-). Burning fossil fuels for energy rel, Estlers Mortgage Lifter: An Heirloom Tomato Variety Perfect for Home Gardeners, Gardening is an enjoyable and rewarding hobby that many people enjoy. Wise offers his expertise in setting up the cylinder heads per customer input and through the application of his 30-plus years of experience with the Oldsmobile platform. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! During the early 70s, this winning father-son combination went to work at the Parker Dam 9 hour enduro, winning the Jet Boat class with an Olds 455 in 1972 and in 1975 & 1976, back to back wins with a 500 c.i.d. But opting out of some of these cookies may have an effect on your browsing experience. Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. Includes the bowls, port match, and profiling of the combustion chambers. Rated 5.00 out of 5 $ Add to cart $ 995.00 Add to cart; Home; Parts. Unfortunately, they are not available anymore. Machine Shop Multi-layer steel gaskets made by Cometic are the ultimate in combustion sealing. Edelbrock vs stock C iron heads The Sportsman Series offer high horsepower and excellent torque. We'll be back on Monday, January 3. Unsung Hero by Scott Parkhurst, Popular Hot Rodding The 403 Olds may be the most overlooked performance engine ever. The oldest castings have a lower number and the latest production castings have a higher number. Web440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. WebAll Speedmaster 18deg. CUSTOM ENGINEERED GUIDEPLATES FOR THE ABSOLUTE BEST ALIGNMENT. Made from the finest material, with total in-house manufacturing in our ISO-9001 certified California-based facilities. After lots of trial and error, plenty of burned welding wire, measuring, testing, fitting, and hair-pulling, he finally settled on dimensions that made sense for the Olds platform, and would provide an opportunity for both street and race customers to step into the 21st century in terms of performance and airflow capability. I wouldnt say these gaskets are the best choice for aluminum heads. 1 ROCKET Ported Oldsmobile Cylinder Heads One such individual is Brad Wise of Wise Performance Engineering. These Hurst Olds D heads are some of the rarest Olds heads. WebStage II: $500 Suggested porting for most intakes. Coming along slowly.. it's a long winter. Oldsmobile Olds v*UWb]v*U??~Z }e{XWU=_PF*+m (.__Z =j:S{O*>})Hu{Gl;bwyl8W8? A Heads Shop has a 4.0 Star Rating from 4 reviewers. Joseph Mondello passed away in April of 2011, but he will always be known for designing, building and providing us all with the best high performance products money can buy. Contact us for your application and pricing. If you have him do a full port job, you will not be disappointed. I only use these on cast-iron head engines. Rebuilding Your First Engine by Joe Mondello This is a six part article with step-by-step instructions. Includes full We also do 1,2,3,4,6,10, and 12 cylinder engine head work. This creates additional horsepower and torque. You must choose UPS Ground to help ensure your order arrives before Christmas. 1970 Olds Cutlass S,9.5 to 1 358,Gen 3 Edelbrock,400Hp/Tq,Mahle 1mm pistons, Molnar rods,ARP,330 forged crank, 218/218 .541/.541 112 LSA roller cam, shorty headers,2.5" duals,X pipe, Superturbo's,2350 stall,TH2004R,3.08 Type "O". Joe Mondello designed open chamber big and small block Chevy cylinder heads and pistons long before Chevy did. These specially designed heads are unported and feature extra-thick decks, under-sized intake and exhaust runners, and increased wall thickness that allow professional head porters and engine builders to perform custom CNC porting and other modifications. They prefer warmer temperatures and drier, Take Action Now: How You Can Fight Climate Change and Protect Our Environment, The Effects of Climate Change on Our Environment Big race port is 300cc and hits 390 cfm. Ported The lowest combustion chamber volume I ever had on an Edelbrock Performer RPM head with the standard combustion chamber was on the 2009 Engine Masters Challenge engine at 46 cc. SpeedmasterTM cylinder heads offer improved power throughout the rpm range for greater throttle response and top-end horsepower. This category only includes cookies that ensures basic functionalities and security features of the website. When were done they flow just a bit better than your best numbers and work really well. My #6 heads probably flow close to the first numbers. It is the same method used by 5,000+-hp NHRA Top Fuel cars. The EX port is really good. All Rights Reserved. As well as port matching. Feel free to contact us for any custom quotes. &6E'dtU7()euFVfvGWgw8HXhx9IYiy*:JZjz ? So, which heads are the best performers, and how can you spot them? Any time you force air to flow along a particular path, the total flow almost certainly drops. In order to shop on this Web store, you must have JavaScript enabled. Golden Rules of Porting Cylinder Heads - Part It looks like you could go huge on the exhaust ports, but I know that sometimes going too big actually kills velocity. Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of rotating assemblies! From Street to Race ready performance, weve got it all covered, Weve done all the hard work for you. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. These guys have alot of experience and helpful and cheap, Nirmal is a good guy with alit of experience, Worst experience nasty attitude doesn't take responsibility he has had my motor for 8 months for 30 over bore hot tank and flycutting pistons had to return motor 3 times found metal shavings in motor motor was dirty and stay away from nirmal stay away. TORRANCE, CA Edelbrock has heard the requests from the Oldsmobile faithful and is responding by releasing a new and improved Performer RPM Cylinder Head for the Big Block Oldsmobile V8. Contact us for your application and pricing. These MLS gaskets are made to order from Cometic and take about four weeks to produce. Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. 7Us.QW~?Y"6P-7Kv4z~hFseH.I>ZVb>U43T. Whether youre growing hot or sweet varieties, there are some important tips for success. This design allows you to select a wide array of thicknesses for the application. Heads come with 5 angle valve job. THIS IS JUST A SAMPLING OF THE MANY FEATURES THESE HEADS HAVE. Whats The Reason Enthusiasts Cant Get, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, High-Performance Racing Fasteners: How ARP Fasteners Are, Dobbins Clocks First 3-Second Mountain Motor Pro Stock, BirdDoc: The Six-Speed GT500 Record Holder And Its High Flying, Video: Installation Time-Lapse Of The Fresh New 3M Wrap On, Drag Pak Racer AJ Berge To Fly Iconic RAMCHARGERS Colors In 2023, 2003 Cobra Runs 8-Second Pass With Whipple, IRS, And A T-56, Moser Performance Girdles Add Rearend Strength To Your Third-Member, New Season Of Street Outlaws: Fastest in America Debuts March 13, Retro Injection: Modern Fuel Injector Tech Gives Us Room To Grow, How We Fixed The Unsightly Wheel Gap And Stance On Our 2010 Camaro, Lizzy Musi Preparing For Street Outlaws: No Prep Kings Season 6. t Gamble When Choosing Cylinder Heads Standard valve sizes are 2.072 in. Get big-block heads, mill the deck surface so you can get the combustion chamber volume, and presto! With the racing we do, we spin the engine up to 9.500 rpm or more, and we needed a cylinder head that would handle the piston speed. When performing the O-ring and receiver-groove operation, location of the O-ring and receiver groove is absolutely important. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. United States - USD ($), Intake Manifolds, Fuel Injected Components, Superchargers, Centrifugal Style Head Units, Differential Carrier Bearing Adjusting Nuts, Differential Pinion Bearing Spacers and Sleeves, Differential Spanners and Side Adjuster Tools, Driveshafts, Drive Chains, Couplers & Yokes, Automatic Transmission Brackets and Levers, Automatic Transmission Filters, Direct Fit, Automatic Transmission Rebuild Components, Automatic Transmission Trans-Brake Solenoids, Manual Transmission Replacement Components, Manual Transmission Throwout Bearing Retainers, Hoods, Tops, Body Panels, Parts & Sections. Your One Stop Shop For Olds Performance Products. If you want a free port job on your small-block Olds heads, put the die grinder down. 7/16"CAN BE USED WITH NO ISSUES AND DRILLED FOR 3/8" PUSHRODS. Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! Porting Mondello Performance Filling the exhaust heat crossovers can never hurt. In 1951, Joe was racing at airports and drag strips throughout Southern California. Porting GT40P heads Jason draws on over 15 years of experience in the automotive publishing industry, and collaborates with many of the industry's movers and shakers to create compelling technical articles and high-quality race coverage. All Steel Roller-Tip Adjustable Rocker Arm Systems, All Steel Roller-Tip Adjustable Rocker Arm Systems (Cast Iron Applications), Non-Roller Adjustable Rocker Systems (Cast Iron Applications). THESE ARE THE ABSOLUTE BEST PRODUCTION AND TRACK PROVEN CYLINDER HEADS AND INTAKE YET FOR OLDSMOBILES. Description 0000369701 00000 n They are available in .028 and .040 thicknesses. 440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. By continuing to use our site, you agree to their use. The E castings are smaller than the others, but only by a few cubic centimeters. The same goes for the intake and exhaust ports on the muscle-car-era castings. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. WebOffering top notch Aluminum Cylinder Head Porting and Cylinder Block Machining Services for High Performance Racing Engines by Race Engine Builder Steve Schmidt. In the 1960s, Joe also worked part time for Carroll Shelby building the performance heads and engines that won the Le Mans Grand Prix. Hb``d``Z @KrB10Z&00040Dscc` '00 endstream endobj 35 0 obj 69 endobj 25 0 obj << /Type /Page /Parent 19 0 R /MediaBox [ 0 0 676 927 ] /Resources << /XObject << /Im0 29 0 R >> /ProcSet [ /PDF /ImageC ] >> /Contents 26 0 R /PieceInfo << /AdobePhotoshop << /LastModified (D:20120817155034-08'00')/Private << /RoundTrip 1 /ExportCrispy false /SaveTransparency false /ImageResources 30 0 R /XObject << /Im0 29 0 R >> /StandardImageFileData 31 0 R >> >> >> /LastModified (D:20120817155034-08'00') /CropBox [ 0 0 676 927 ] /Rotate 0 >> endobj 26 0 obj << /Filter /FlateDecode /Length 27 0 R >> stream Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. I have seen many engines use these in very-high-horsepower turbo and blower applications with varying degrees of success. The cylinder head is machined so that the stainless .041-inch-diameter O-ring protrudes .015 inch up from the deck, and the corresponding .040- to .060-inch-wide receiver groove is machined at the same depth into the block. Pro Sportsman Porting Work- Call for Pricing! Yes, they have a ton of potential but need some work to get there obviously. We had T&D design the rocker system for these. 2023 CarTechBooks. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Theres enough material in and around the deck to handle that kind of power, he explains. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. Having a decent port in the thing to where it would flow and work forced us to raise the intake port up 1.750-inch, and then we raised the exhaust port about the same. They feature double-pinned rotors (timed and clearanced after assembly), heavy duty front and rear bearing plates, and an intake manifold. Using the experience he gained while racing in the NMCA and supporting his customers all over the world, Wise made the decision to investigate a new design that would provide some room for growth and the Z heads are the result. WebEdelbrock RPM Olds 455 Head Porting HeavyOlds 268 subscribers 642K views 15 years ago The scariest thing I ever did was port a set of new Edelbrock aluminum cylinder heads. WebSpecializing in Oldsmobile high performance 4509 Crichton Ln. 0000001469 00000 n 0000000607 00000 n Competition-ready heads feature fully CNC machined combustion chambers and blended seats for increased air flow and well as revised exhaust valve angles for larger intake valves. WebThe oval port head has 110-cc chambers, and the rectangular port head comes with 118-cc chambers. Luckily, I saved all of my used ones and reused them by glass-bead cleaning them and gluing a .015-inch-thick soft copper wire around the raised combustion ring. @ 213 mph at the 1969 Indy U.S. Nationals. Orlando Fl. Necessary cookies are absolutely essential for the website to function properly. The debate is further complicated by the fact that some tomato varieties can be either determinate or indeterminate depending on their growing conditions. 0000000680 00000 n you have a ported head. For instructions on how to enable cookies, please see the help section of your browser. Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. JFIF H H Adobe d@ We also use third-party cookies that help us analyze and understand how you use this website. Wise Performance Engineering's Oldsmobile Although the ports have been raised, Wise says that the current Edelbrock intake for the 455 Oldsmobile engine bolts right on to the new cylinder head design. // Ported. Specs . CNC finish faces and bolt holes for extreme accuracy, T6 heat treated gravity die cast construction (alloy heads only), OEM accessory bolt patters for simply compatibility, Plenty of material for upgrading to larger HP applications, Machined for screw in studs and guide plates, Flame hardened valve seats for use with all fuel, High Performance Street & Light Racing Application, Lightweight Valve Springs for maximum lift, High Perofrmance Chrysler 426 & 572 HEMI engines. For the best experience on our site, be sure to turn on Javascript in your browser. We use cookies to provide you with the best possible user experience. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. Speedmaster El Rayo ignition system are designed for the enthusiast that is serious about performance but needs the small cap size due to space considerations when installed. Oldsmobile. Tomato enthusiasts have long debated the merits of determinate versus indeterminate varieties. Heads Shop is located at 4101 Bergen Turnpike in North Bergen, New Jersey 07047. With 70cc chambers built into the heads from the beginning, the heads handle street performance, but Wise explains that users looking to use them in more aggressive combinations can knock down the chamber dimension by decking the cylinder head and build some compression into the engine. The most popular for street applications are: the FelPro PN 8171 PT1; the FelPro PN 1155; and the Corteco PN 55660HG in .040-inch-thick and PN 55661HG in .028-inch-thick versions. The factory Olds cylinder head uses a 6-degree valve angle in an inline arrangement, and his decision to keep the new design to where it would work for both street and race-type applications presented plenty of challenges. In those days, the shops clientele read like a Whos Who of drag racing greats. I've blown my wallet on e-brocks in the past, so we'll see if I'm disappointed this summer. CNC combustion chambers offer superior control over flame travel and quench area. Stage II: $500 Suggested porting for most intakes. All of the small-block combustion chambers have roughly the same shape, but vary in volume. Okemos, MI 48864 PH: 616.499.6223 Contact Us! For those looking to build an Olds small-block, Wise recommends using one of the mid-80s Olds diesel engine blocks, adding these cylinder heads, then utilizingthe Edelbrock 455 manifold on top to work with the raised port location. Quality is assured with 40 years experience in the Differential Industry and full involvement in all forms of motorsport from V8 SUPERCAR To Group 1 Drag Racing. trailer << /Size 36 /Info 21 0 R /Root 24 0 R /Prev 1192120 /ID[] >> startxref 0 %%EOF 24 0 obj << /Type /Catalog /Pages 19 0 R /Metadata 20 0 R >> endobj 34 0 obj << /S 49 /Filter /FlateDecode /Length 35 0 R >> stream Stage I BP: $300 Our "street" port job - a minimum recommended porting stage. Includes bowls and intake opening port match. For the more serious street application, the SuperStreet Series boasts high quality intake and exhaust valves and valve springs suited for daily drivers and tough street machines. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. Includes fully ported exhaust, bowl ported and port matched intake, and profiling of the combustion chambers. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***, HRE All Sheet Metal Intake Manifold for Dual Carburetors, HRE All Sheet Metal Intake Manifold for Single Carburetor, Edelbrock BBC "SSCE Custom" Super Victor Intake Manifold, Big Block or Small Block Chevy Aluminum Oil Pan, Moroso "Original" 3-Vane Racing Vacuum Pump Kit, Moroso 4-Vane "Enhanced Design" Vacuum Pump Kit, Manton Special 7/16" Heat Treated Pushrod Set of 16, Angle Mill Head Correct Int. Copyright 1995-2023 Rocket Racing & Performance LLC. Performance ranges from an emissions-legal street-oriented bolt-on for daily drivers to a full-on race casting for serious competition. Once JavaScript is enabled please refresh the current page. Stage III: See below for pricing Complements any head porting for maximum horsepower. THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. The deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce. These cookies will be stored in your browser only with your consent. Rocker arms and other supplemental parts increase the price as well. Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. These cookies do not store any personal information. These castings are undesirable for performance use. The stock cylinder head and other designs on the market are capable of flowing about 320 cfm, but above that, and above .650-inch lift, they become inefficient and the airflow becomes very turbulent because of the chamber design. ALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER.