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On Sale
AFR 195cc SBC Enforcer Cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 350 to 400 cu. in. operating below 6,000 rpm. They come fully assembled with the identical components found in their higher end CNC-ported cylinder heads, such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks, hardened spring cups and ductile iron seats, and their one piece 8mm 21 4N stainless steel valves. The AFR 195cc SBC Enforcer cylinder heads are available in straight or angle plug, assembled or bare.
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$703.50
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$789.60
$668.32
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$750.12
On Sale
Airflow Research developed these 185cc SBF Enforcer cylinder heads for maximum small block Ford performance. They're manufactured from tough but lightweight A356 aluminum and feature 185cc intake runners and 64cc combustion chambers. Enforcer heads feature a 0.325 in. deck, stock valve locations, and are designed for blocks with a minimum bore of 4.000 in. The heads are available bare or fully assembled with stud mount rocker mounting.
( 21 )
$767.55
$729.17
On Sale
Holley aluminum LS valve covers will give your Chevrolet LS Series engines a totally new look. Manufactured from cast aluminum, they come in four different finishes, and feature a billet aluminum oil fill cap. Some valve covers in this series eliminate the need for the factory ignition coil bracket. Instead, the coils bolt directly to the valve covers for a nice angled look! Holley aluminum LS valve covers reuse the factory gaskets and bolts, will work with .750 in. lift camshafts using stock-style rocker arms, and fit all ignition coils with 72mm spacing.
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$589.95
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$731.95
$529.95
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$657.95
On Sale
AFR 210cc LS1/LS2/LS6 Enforcer cylinder heads are available in standard and small bore applications. They feature Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. The budget-friendly heads are perfect for your OEM engine operating below 6,300 rpm. Fully assembled Enforcer models include the identical components found in AFR's higher end CNC-ported cylinder heads—such as PAC Racing springs, Viton® valve seals, machined bead valve locks (not stamped), hardened spring seats, and one-piece 8mm 21 4N stainless steel valves. The heads are available without any parts for the DIY. Sold as a single piece, two heads are required per engine.
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$562.80
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$780.15
$534.66
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$741.14
On Sale
Think you have to scour the local bone yards to find a decent set of GM's old double hump or fuelie cylinder head castings? Not true. In fact, we've brought back classic Chevy performance in a big way with these ready-to-run heads for small block Chevy. Our versions of the popular GM cylinder heads offer great performance for less than it would cost to rebuild an old set of double hump castings.
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$649.99
$599.99
On Sale
Deliver power-building airflow to your engine with Summit Racing™ Vortec cast iron cylinder heads. These heads outflow the early model small Chevy heads with wide-open intake runners, efficient combustion chambers, and a high-performance valve job. They are made from a strong cast iron alloy that makes them less brittle than comparable Vortec heads on the market. For performance and great value, select the Summit Racing™ Vortec cast iron cylinder heads preferred for your build.
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$649.99
$599.99
On Sale
AFR aluminum roller rocker arms are CNC-machined from high-strength aluminum, heat-treated for reliability, and anodized for protection. They feature a fuller roller fulcrum and are available in stud-mount or pedestal-mount styles to fit your specific application. Pick up a set of AFR aluminum roller rocker arms and give your engine better durability throughout the entire rpm range.
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$584.85
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$681.45
$555.61
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$647.38
On Sale
These H-beam connecting rods are the strongest Scat connecting rods available. These Scat H-beam connecting rods are perfect for supercharged and nitrous applications. These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications.
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$533.99
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$870.99
$507.29
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$827.44
On Sale
These Scat cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days. These Scat crankshafts are precision-ground and micro-polished to exacting tolerances.
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$661.99
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$675.99
$602.99
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$642.19
On Sale
Scat forged standard weight crankshafts are designed for street or race engines with substantially increased horsepower. These crankshafts are precision-ground, heat-treated, shot-peened, inspected, and micro-polished for superior tolerance control. Scat crankshafts are also nitride-hardened for superior wear resistance, have straight-shot and chamfered oil holes, and feature lightening holes in all rod throws. They also have a large radius on all journals for improved strength and wear resistance. Scat forged standard weight crankshafts are available in dozens of sizes and configurations for fitment on vehicles spanning seven decades.
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$756.99
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$885.99
$719.14
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$787.54
On Sale
Do you want to increase cubic inches? Scat Series 9000 cast Pro Comp stroker lightweight crankshafts are the perfect solution for your mild or moderate street or race engine. These lightweight crankshafts are patterned after Scat's custom billets and are built from their exclusive space-age 9000 material. Features like Aero-wing counterweights, straight shot oil holes, and lightening holes in all rod throws (except for the 3.480 stroke) offer reduced windage and the ability to increase your horsepower. Scat cranks are precision-ground and micro-polished for a beautiful finish and a perfect fit. Stroke your engine with lightweight, state-of-the-art components from skilled craftsmen--Scat series 9000 cast Pro Comp crankshafts.
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$659.99
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$695.99
$626.99
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$634.99
On Sale
AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 509 to 540 cu.in. operating below 6,500 rpm. They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. Order the cylinder heads recommended for your year/make and engine application.
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$664.65
$631.42
On Sale
Now available from Holley are LS engine swap accessory drive systems. Included are accessories and pulleys that are manufactured by OEM part suppliers for durability and direct bolt-on installation. Order the kit that's best suited for your vehicle and engine application. Features and facts: * Universal brackets fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets--thus reducing cost and complexity compared with competitive products * Simple, dedicated installation kits allow easy fitment to Corvette, F-Body, or truck drive offsets * Accessories, tensioner, and pulleys are manufactured by OEM suppliers and many of the parts are used on production vehicles today
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$755.95
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$848.95
$679.95
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$763.95
On Sale
These Summit Racing™ Chevy 350 engine kit Pro Packs give you virtually everything you need to assemble your Chevy 350. Features include: * Your choice of forged, hypereutectic, cast, or no pistons * Your choice of Summit Racing™ Stage I, Stage II, or no connecting rods * Available with or without Summit Racing™ Engine Shop cast, 2-piece, rear main seal crankshaft * Sealed power piston rings in your choice of standard, .020, .030, .040, or .060 * Rod and main bearings available in your choice of standard, .010, .020, or .030 * Sealed Power cam bearings * High-volume oil pump assembly with stock pickup welded to the pump * Summit Racing™ True Roller timing chain * Sealants, assembly lube, Plastigage, rod bolt boots, and freeze plugs
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$690.63
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$865.62
$656.63
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$831.62
On Sale
These Scat I-beam connecting rods incorporate all of the best features possible for an I-beam rod, including some strength adders found in H-beam designs. Scat Pro Comp I-beam connecting rods are profiled with clearance for long stroke applications. These connecting rods feature a one-rib cap design for added strength and bearing support, polished beams to eliminate stress risers, and special hollow dowels with huge 7/16 in. ARP cap screw bolts to greatly increase strength and horsepower capabilities.
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$531.99
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$628.99
$505.39
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$597.54
On Sale
RaceTec's AutoTec line of forged pistons offers high-quality, precision manufactured options at competitive pricing. The primary material used for AutoTec pistons is 4032 high-silicone aluminum alloy which is extremely durable, has great wear resistance, a low expansion rate, and is very low in friction. The most common applications for AutoTec pistons include muscle car restorations, performance street rods, as well as many spec racing classes. They can also withstand mild nitrous kits, small turbos, or superchargers. A large selection of sizes and styles is available. Choose the proper fit for your application build. Additional features for most pistons in the AutoTec line: * CNC Precision machined ring grooves * Top ring land gas distribution groove to enhance performance and improve ring seal * Wrist pins, pin fitting, wire locks, broached pin oilers, and accumulator groove are included * Diamond turned skirts
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$663.00
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$821.00
$629.85
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$779.95
On Sale
Get your project on the street quicker with a convenient Summit Racing™ LS front drive serpentine kit. Our selection offers options to fit your application with components that perform above your expectations! We select the pulleys, brackets, and hardware, as well as A/C compressors, alternators, and even belts (depending on the kit chosen) to get your LS-powered project moving. So, when it comes to saving time and money, why go anywhere other than Summit Racing™?
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$572.92
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$591.92
$549.22
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$568.22
On Sale
Summit Racing™ forged crankshafts offer maximum strength and the best value for your dollar! Our crankshafts are non-twist forged from certified 4340 steel. They are put through several stages of heat-treatment, and then stress-relieved and shot-peened to provide the strength and reliability you demand for your high performance application. Each journal is micro-polished and a .125 in. radius is used for increased strength. Summit Racing™ forged crankshafts help you get the most in value and performance.
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$766.99
$699.99
On Sale
BoostLine connecting rods are designed specifically for demanding turbocharged, supercharged, and big nitrous applications. The patented, 3-pocket body forged from premium 4340 steel incorporates the best features of both the H-beam (mass/weight) and I-beam (strength) designs. This provides 60 percent more bending strength compared to common H-beam rods. Each piece is heat-treated, shot-peened, and fitted with ARP-2000 cap screws (strong, malleable, and 220,000 psi rating) before final finish machining. Keep things straight with a set of BoostLine connecting rods (also available individually). Order the connecting rods in the model recommended for your specific engine size. Features, items, and specs: * High-quality Ampco bushing material used in the small end * Pin clearance at between 9-ten-thousandths and 11-thousandths of an inch (allows engine builder to custom set wrist pin spec, should additional clearance be necessary) * All BoostLine rods are individually inspected via a coordinate measuring machine (CMM) that is used to custom-match sets of rods to incredibly tight tolerances * Each rod includes an inspection report from the Wiseco Piston quality team * Rods are completely separated by thick foam for protection from shipping damage * Each rod is vacuum-wrapped in plastic for corrosion protection * Upgraded ARP 625+ bolts (260,000 to 280,000 psi) available
( 1 )
$982.95
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$1,475.95
$519.99
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$769.99
On Sale
Are you building big power? Help pull the power within your engine out with Scat Ultra Q-Lite connecting rods. These rods are light, strong, and delivered ready to install. Crafted from high-tensile 4340 forged steel, Ultra Q-Lites use special 1.4 in. ARP 7/16 in. bolts to ensure clearance--no machining or indexing is required! These connecting rods are built with doweled caps for precision alignment and are also available with a profiled clearance for stroker applications. A Formula 1 style lightening hole reduces weight even more without compromising strength. You're not settling for the original horsepower in your engine, so don't settle for just any connecting rod; choose high-quality craftsmanship--Scat Ultra Q-Lite connecting rods.
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$673.99
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$852.99
$640.29
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$810.34
On Sale
AFR 175cc Small Block Mopar Blue Hornet cylinder heads, part of their Performance lineup, feature an "as cast" surface on the intake and exhaust runners, as well as the combustion chamber for optimal performance, and an enhanced water jet design to ensure superior cooling in crucial areas. These innovative heads offer exceptional value, available as a "no parts" head or fully assembled with the premium components found in AFR's top-tier cylinder heads. They are a perfect choice for anyone looking to upgrade from factory iron pieces. Select the AFR Mopar head(s) preferred.
Not Yet Reviewed
$627.90
$596.50
On Sale
APR oil catch cans are able to increase performance. They trap excessive crankcase oil vapors and gunk, eliminate possible performance-robbing boost leaks, and will reduce airflow-restricting carbon buildup, octane-lowering oil vapors, and oil pooling within the intake tract. APR oil catch cans are simple modifications to install, drain in seconds with the flick of a knob, and recommended at all stages of performance.
Not Yet Reviewed
$699.95
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$719.95
$628.95
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$646.95
On Sale
These Summit Racing™ camshaft and lifter kit Pro Packs have been put together to cut down on costs and save you precious time. They include a new camshaft, matching lifters(except where noted), and assembly lube. The Summit Racing™ camshaft and lifter kit Pro Packs are available with a variety of different camshaft profiles, so you can choose which one is best for your engine combination.
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$709.02
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$734.02
$702.71
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$727.71
On Sale
Crafted from the same high-quality, space-age material as their 9000 Series stock replacements, these Scat Series 9000 cast lightweight stroker crankshafts are modified to be lighter. They are engineered with straight oil shot holes, precision-ground micropolished journals, and lightening holes in all throw rods to reduce mass. Their Aero-wing counterweights increase efficiency by decreasing windage, thus optimizing the design for horsepower.
Not Yet Reviewed
$643.99
$601.99
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