Engines & Engine Parts at Summit Racing

Isky Tool Room Gold Stripe Racing Valve Springs

Racers, prepare your engines to run harder, rev higher, and live longer with Isky Racing Tool Room gold stripe racing valve springs. For 9:1 and all-out high-compression oval track engines, you need the racing valve springs with gold stripes. Why? You get the mark of full throttle performance and unsurpassed excellence! Tool Room gold stripe springs are manufactured in the USA by master craftsmen employing the precision winding of premium "super-clean" high-alloy steel. Then, they're super-finished to ensure a seamless and burr-free surface with accurate pitch control and absolute concentric diameters. They utilize state-of-the-art surface conditioning and their trade-secret, high-temperature load retention process to create racing valve springs that you can count on for maximum endurance. Tool Room racing valve springs are put through a rigorous endurance test under actual engine/race track operating conditions where only the strong survive and win their stripes--gold stripes! When you're ready to go for the gold, go with the most durable and fatigue-resistant racing valve springs available--Isky Tool Room gold stripes.

5.0 out of 5 stars ( 1 )

$357.99

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$529.99

COMP Cams Tool Steel Valve Spring Retainers

COMP Cams tool steel valve spring retainers are lightweight, high-strength, and have excellent wear characteristics. They're 30 percent stronger than conventional chromoly steel retainers and can withstand even the most demanding engine rpm ranges. Manufactured from high-grade tool steel, COMP Cams tool steel valve spring retainers are the right components to instantly add reliability to your valvetrain.

5.0 out of 5 stars ( 2 )

$24.95

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$475.95

Manley Lightweight H-13 Tool Steel Retainers

If you've been searching for a more economical alternative to titanium retainers to solve a wear problem or because of "class rules," Manley H-13 tool steel retainers are your solution. These are serious retainers for serious engine builders who demand nothing less than the very best! The H-13 tool steel retainers allow for better processing than other tool steels typically utilized, thus yielding a stronger and more durable product. They're up to 33 percent lighter than standard 10 steel retainers and are only 2 to 4 grams heavier than titanium versions. In addition, the H-13 tool steel retainers are heat-treated to provide the hardness of Rc56.

4.5 out of 5 stars ( 2 )

$14.28

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$228.31

COMP Cams High Performance Valve Spring Kits

Simplify your valvetrain assembly! COMP Cams high performance valve spring kits have everything that you need for a complete valve spring assembly. Springs and retainers are included, along with complete instructions for a worry-free installation.

4.67 out of 5 stars ( 33 )

$145.95

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$1,003.95

Isky Tool Room RAD Racing Valve Springs

Racers, lock and load for Operation Full Throttle with Tool Room RAD racing valve springs from Isky. Utilizing failsafe endurance processing, every part and every batch is tested every time to give you the ability to push your engine to the limit! The RAD-9000 processing of Tool Room valve springs employs radial densification (RAD), Isky's trade secret, to optimize the physical properties and endurance of your engine's high-rpm torture as you battle for the checkered flag. These precision-designed, "super-clean," high-alloy steel racing valve springs are put through an all-out, no-holds-barred endurance test. The elite survive this pass-or-fail benchmark, ensuring that only the strongest go into your race car. Ordinary valve springs can succumb to resonant vibration, putting you out of the race. So, why take a chance? Armor your valvetrain with sustained redline protection to encounter and overtake the competition--Isky Tool Room RAD racing valve springs.

5.0 out of 5 stars ( 2 )

$548.99

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$561.99

COMP Cams Steel Valve Spring Retainers

New valve springs with larger diameters require new retainers to handle the higher pressures developed by the springs. COMP Cams valve spring retainers are the solution. Precision-machined, these retainers are specifically designed for positive location when combined with COMP Cams' valve springs. They're available for single, double and triple-spring applications.

4.64 out of 5 stars ( 168 )

$24.95

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$245.95

PAC Racing 600 Series Valve Spring Retainers

PAC Racing 600 Series valve spring retainers are the latest developments from PAC Racing Springs. These retainers feature ultra-lightweight designs from proprietary valve spring-type alloys. PAC Racing's sophisticated processing, such as micro-polishing and Nano Peen technology, are used to enhance retainer life. The high hardness of the steel provides higher wear resistance properties to offer superior abrasion resistance and improved fatigue strength, while also reducing weight. PAC Racing 600 Series valve spring come with a reduced step and need to be combined with a matching seat (where applicable) to optimize the performance of the valvetrain.

Not Yet Reviewed

$9.50

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$404.20

Manley Professional Valve Springs

Manley Professional valve springs are constructed from silicon material for oval track racing, or H-11 tool steel for drag racing. No matter what kind of racing you do, Manley has got you covered!

5.0 out of 5 stars ( 3 )

$5.79

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$439.28

Dura-Bond Valve Spring Booster Shims

Dura-Bond's precision shims are manufactured from prime-quality cold rolled steel to lay flat and restore proper spring tension. These valve spring booster shims are available in either case-hardened or annealed series versions and meet or exceed OEM specifications. Dura-Bond valve spring booster shims are uniquely tooled to provide you with an economical high performance product.

4.89 out of 5 stars ( 9 )

$21.99

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$97.99

Manley Street Master Steel Valve Spring Retainers

Manley Street Master valve spring retainers are made of through-hardened 4140 chromoly steel. They are manufactured to exacting tolerances to ensure quality, consistency, and optimal performance.

3.88 out of 5 stars ( 8 )

$14.28

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$228.31

Feuling Parts Camplate PSI Testers

Feuling Parts camplate PSI testers are a must for any Harley-Davidson® Twin Cam engine builder. Bench-test each camplate before installation, cycle the pressure relief valve—testing the operation and ensuring that the valve moves freely, and seats and seals each time. Any leakage at the relief valve will reduce oil pressure. These camplate support tools let you know what PSI the relief valve opens; the spring tension can be adjusted to achieve the desired pop off PSI. Testers include: * Air regulator * 0-100 psi pressure gauge * Gaskets and needed hardware * Tool fits all Twin Cam engine camplates

Not Yet Reviewed

$202.95

COMP Cams Camshaft Phaser Disassembly Wrenches

Before installing the COMP Cams 5455 spring limiter tool, it's necessary to compress the variable valve timing spring. These camshaft phaser disassembly wrenches compress the spring—so you can install the 5455 limiter tool and then the 5457 or 5459 phaser limiter plug. Order the wrench recommended for your year/make and engine application.

Not Yet Reviewed

$56.95

JOES Racing Products Valve Cover Fasteners

JOES Racing Products valve cover fasteners help you to remove and replace your valve covers more efficiently. The spring ball on your extension holds the fasteners, so you can easily get them to the stud. These handy stud/accessories are great looking with an anodized finish (black is 1/4 in.-20, red is 1/4 in.-28), and are available in sets of different quantities.

4.8 out of 5 stars ( 5 )

$29.95

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$56.95

Briggs & Stratton 206 Racing Crate Engines

Briggs & Stratton 206 racing crate engines are factory-sealed long blocks with ground cams and controlled piston pop-up (reducing compression variance). These budget-friendly mills feature a simplified IKF/WKA rule set designed to maintain a stock configuration, right down to the factory-shipped carburetor jets. Simply put: the 206 engines even the playing field so that drivers can focus on the important task at hand--winning the race! Briggs & Stratton 206 crate engine features and specs: * Primary use: Karting, Microstocks, Jr. Drag Racing * Engines are assembled by hand in Milwaukee, WI using tooling and dies specifically designed for racing for unparalleled repeatability * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material * Squeeze cast, T-7 heat-treated aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel-faced, eutectic alloy piston with 3-piece ring set with chrome faced top ring * .255 max. lift ground cam with nitrited lobes and built-in mechanical compression release * High-silicon, racing-engineered valve springs * High-grade stainless steel dished valves with nitrited exhaust * 3-piece, automotive-style keepers and reinforced rocker arm and lock ball * PVL digital ignition with built-in 6,100 rpm rev limiter * PVL steel hub, cast aluminum flywheel * Briggs & Stratton tooled 22mm round slide, fully adjustable jet carburetor * Custom grafoil composition head gasket

4.71 out of 5 stars ( 7 )

$759.00

Trick Flow® Twisted Wedge® 11R 170 Cylinder Heads for Small Block Ford

Something great just got better! Trick Flow® used advanced 3D solid modeling and CAD tools (plus a couple decade's worth of racing experience) to turn its track-proven Twisted Wedge® design into the potent Twisted Wedge® 11R 170 head. Trick Flow® Twisted Wedge® 11R 170 heads are a direct replacement for previous Twisted Wedge® heads and work with all Twisted Wedge®-specific pistons. New high-velocity, race-inspired CNC street ported runners have been optimized for today's popular bore and stroke combinations, and have a standard resolution surface finish for significant performance gains. Modified 11 degree intake and 13 degree exhaust valve angles and a restructured, CNC-profiled combustion chamber arrangement provides more airflow and performance potential. Premium certified materials and components, along with the finest CNC tooling, are used to ensure exceptional quality and durability, dimensional accuracy, and balanced flow from port-to-port. The fully machined castings are very strong and have a great-looking, billet-like appearance. Trick Flow® Twisted Wedge® 11R 170 cylinder heads are available fully assembled or as bare castings. Sold individually.

5.0 out of 5 stars ( 8 )

$1,299.99

Ford Performance Parts 289/302/351W X2 Street Cruiser Aluminum Assembled Cylinder Heads

Ford Performance Parts 289/302/351W X2 Street Cruiser aluminum assembled cylinder heads provide an easy way to bolt-on significant horsepower to your Street Cruiser package! Manufactured using all-new Ford tooling, and constructed using 356-T6 aluminum, each cylinder head is cast, precision machined, and assembled with premium components. The X2 heads also feature high-temperature exhaust valve seats, bronze guides, common rocker bosses for strength, and increased section thickness in critical areas for porting. Sold individually, two of these X2 Street Cruiser cylinder heads are required for you to complete your engine's horsepower upgrade. Additional features include: * Intake flows approximately 230 cfm at .600 in. lift (at 28 in. of H20) * Exhaust flows approximately 160 cfm at .600 in. lift (at 28 in. of H20) * Machined for 1.94 in. intake and 1.54 in. exhaust valve diameters * Use either GT-40 or aftermarket performance intake manifolds * Must check your intake manifold for port match; not all intakes are compatible due to the tall high-flow ports * Machined for AGSP-32C gasket seat spark plugs * Each head weighs approximately 25 lbs. less than each production cast iron head * Each head is leak-tested prior to assembly * Compatible with many aftermarket intake manifolds, headers, and valve train components * Includes Ford Performance intake valves, exhaust valves, and PAC 1219X Ovate Beehive valve springs * Features 10 degree locks, steel valve spring retainers, and stock valve seals * Features wider valve cover gasket sealing rail to prevent leaks * Compatible with all Ford Performance roller camshafts and aftermarket hydraulic roller camshafts up to .600 in. lift * Compatible with bolt-down rockers 1.6-1.7 ratio; always check rocker arm clearance to valve springs with production rocker arms * Depending on lifter preload, Ford Performance rocker shim kits * Use Fel-Pro exhaust gasket (part number 1415) * Designed to be used on Ford Performance BOSS blocks; M-6010-BOSS302, M-6010-B302BB, M-6010-BOSS35195, M-6010-BOSS35192 and M-6010-BOSS351BB * Use Ford Performance M-6065-BOSS headbolt set or Ford Performance M-6014-BOSS head stud kit * Use Ford Performance head gasket M-6051-CP331 or M-6051-S331—or, for "Big Bore" application, use M-6051-R351 * Must use Ford Performance M-6065-D289 headbolt kit to install heads on 289/302 production blocks * Does not fit 1986 5.0L with flat-top pistons unless pistons are notched for valve relief

4.33 out of 5 stars ( 6 )

$1,138.99

Trick Flow® Twisted Wedge® 11R 190 Cylinder Heads for Small Block Ford

Something great just got better! Trick Flow® used advanced 3D solid modeling and CAD tools (plus a couple decade's worth of racing experience) to turn its track-proven Twisted Wedge® design into the potent Twisted Wedge® 11R 190 head. These heads are a direct replacement for previous Twisted Wedge® heads and work with all Twisted Wedge®-specific pistons. Modified 11 degree intake and 13 degree exhaust valve angles and a restructured, CNC-profiled combustion chamber arrangement provides more airflow and performance potential. You can get your Twisted Wedge® 11R 190 heads in two flavors: • 11R 190 heads with new high-velocity, race-inspired CNC Street Ported runners are great entry-level CNC heads combining fully CNC-machined runners and combustion chambers with a standard resolution surface finish for significant performance gains. • 11R 190 heads with CNC Competition Ported high-velocity, race-inspired runners feature fully CNC-machined runners and chambers with a premium high resolution finish for ultimate performance. Premium certified materials and components, along with the finest CNC tooling, are used to ensure exceptional quality and durability, dimensional accuracy, and balanced flow from port-to-port. The fully machined castings are very strong and have a great-looking, billet-like appearance. Trick Flow® Twisted Wedge® 11R 190 cylinder heads are available fully assembled or as bare castings and sold individually.

4.85 out of 5 stars ( 27 )

$1,324.99

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$1,499.99

Ford Performance Parts Z2 Velocity Vane Cylinder Heads

Ford Performance Parts Z2 Velocity Vane cylinder heads improve power throughout the rpm range. Developed with advanced computer-aided engineering simulation tools, Ford Z2 aluminum heads feature their unique Velocity Vane intake port design that delivers outstanding street/strip power. These high performance cylinder heads are direct bolt-ons for Ford 289/302/351W engines, and they retain OEM exhaust, intake, and accessory mounting locations. Ford Z2 Velocity Vane cylinder head specs: * Cast from prime 356 T6 aluminum * Heads retain Ford OEM intake and exhaust port location and flange * Velocity Vane in port floor directs airflow around the valve stem, leading to more horsepower and torque throughout the full power range * 20 degree inline valve angle * Premium stainless steel valves: 2.05 in. intake, 1.60 in. exhaust valves * PAC 1219X conical-style valve springs with machined retainers and 10 degree machined valve locks--most hydraulic cams can be used with these springs * Valve spring closed pressure: 145 lbs. at 1.800 in. * Valve spring open pressure: 358 lbs. at 1.175 in. * Coil bind at 1.100 in., 0.650 in. max lift * Includes laser-cut guide plates for use with 5/16 in. pushrods and 7/16 in. rocker studs * Steel alloy intake and exhaust valve seats * Manganese-bronze valve guides * 63cc combustion chamber

5.0 out of 5 stars ( 2 )

$1,106.99

Trick Flow® Twisted Wedge® Top-End Engine Kits for Ford 4.6L 2V

Get the most out of your Ford 4.6L 2V with Trick Flow® Twisted Wedge® top-end engine kits. Each kit is carefully tuned to deliver the right amount of horsepower and torque. Take the time and guesswork out of designing a winning combination and save some hard-earned cash. Twisted Wedge® top-end engine kits for Ford 4.6L 2V are built around a set of dyno-proven Twisted Wedge® cylinder heads with 185cc intake runners and your choice of 38cc or 44cc CNC-profiled and bowl-blended combustion chambers. You also get a hydraulic roller camshaft set, matching followers, lash adjusters, timing chains, a valve spring compressor tool, and intake and head gaskets.

4.67 out of 5 stars ( 3 )

$4,997.75

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$5,097.75

Briggs & Stratton Junior 206 Crate Engines

Briggs & Stratton Junior 206 crate engines are made tough! Each engine is hand-assembled in-house using tooling and dies specifically made for racing--for unparalleled repeatability. The factory-sealed long blocks include a ground cam and controlled piston pop-up (reducing compression variance). They're a simplified IKF/WKA rule set designed to maintain a stock configuration, right down to the factory carburetor jets. These 206 race engines are powerhouses! Briggs & Stratton Junior 206 race-only crate engine specs and features: * Primary use: for karting, high school/collegiate Supermileage Competitions * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material * Squeeze cast, T-7 heat-treated aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel faced, eutectic alloy piston with 3-piece ring set with chrome faced top ring * .255 max. lift ground cam with nitrited lobes and built-in mechanical compression release * High-silicon, racing-engineered valve springs for seasons of racing * High-grade stainless steel, dished valves with nitrited exhaust * 3-piece, automotive-style keepers and reinforced rocker arm and lock ball * PVL digital ignition with built-in 4,100 rpm rev limiter * PVL steel hub, cast aluminum flywheel * Briggs & Stratton tooled 22mm round slide, fully adjustable jet carburetor * Custom graph oil composition head gasket * Max Torque clutch, driver, and installation kit * Green premium air filter * Carburetor locking cap

5.0 out of 5 stars ( 1 )

$759.00

COMP Cams LST Stage 2 Blower Camshaft Packages

COMP Cams LST Stage 2 blower camshaft packages offer billet steel construction and Low Shock Technology making them the perfect upgrade for GM LS engines with larger displacement or larger blower applications that include more serious additional modifications for higher rpm and more power. Available in either a Cam Kit (CK) or Master Kit (MK) that includes lifters and timing set, both are Spintron and dyno-tested. Features: * LST Low Shock Technology cam lobe profiles for increased horsepower and improved stability at higher rpm * Spintron and dyno-tested to ensure maximum power, boost response, and reliability * Packages include: Hydraulic roller camshaft, pushrods, dual valve springs, tool steel retainers, valve locks, spring seats, and valve seals

Not Yet Reviewed

$1,839.95

Briggs & Stratton M-Series Crate Engines

Building off the proven success of the Animal engine, Briggs & Stratton M-Series crate engines are the first dedicated racing engine engineered to meet the needs of the Quarter Midget market. Right out of the box, the M-Series is focused on the consistency and simplicity that racers expect. Briggs & Stratton race-only M-Series crate engine specs and features: * Performance and durability: Technology from OHV racing engineered to the specific needs of Quarter Midget racing * Assembled by hand and tested to strict quality standards * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material * Squeeze cast, T-7 heat-treated aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear—and hardened splined output shaft for 6-1 gearbox (555721) * Custom top control plate firewall clearance * Cam ground, barrel faced, eutectic alloy piston with 3-piece ring set with chrome faced top ring * High-silicon racing engineered valve springs for seasons of racing * High-grade stainless steel dished valves with nitrited exhaust * Three-piece automotive style keepers and reinforced rocker arm and lock ball * PVL digital ignition with built in 6,100 rpm rev limiter * PVL steel hub, cast aluminum flywheel * Briggs & Stratton tooled 22mm round slide, fully adjustable jet carburetor * Custom graph oil composition head gasket

Not Yet Reviewed

$759.00

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads

PROMAXX Performance Shocker Series big block Chevy cylinder heads are professional designed cylinder heads utilizing the latest CNC porting tools and techniques. These heads out flow the competition at a price that cannot be touched. The 340 heads will flow over 415 cfm and the 370 heads will flow over 450 cfm, so your engine will never be starved for air. Shock the competition without breaking the bank by ordering a pair of PROMAXX Performance Shocker Series big block Chevy cylinder heads. Features, items, and specs: * 340 or 370cc fully-ported runners * 5-angle valve job * 24 degree intake valve and 15 degree exhaust valve * Diamond-honed guides * Large spring pockets * Multiple spring options * 21-4N one-piece swirl-polished back-cut stainless steel valves

5.0 out of 5 stars ( 1 )

$2,367.00

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$3,968.00

Trend Pushrods Billet M2 Cummins Lifters

Trend Pushrods Billet M2 Cummins lifters feature through-hardened M2 tool steel ground to perfection for their mushroom-style tappets designed for use with 12-valve and 24-valve Cummins diesel engines. When combined with a billet camshaft, these lifters allow for increased valve spring pressures and 5,000-plus rpm engine speeds. When you're building for high-performance, go with a leader in exotic materials racing experience and order the Trend Pushrods Billet M2 Cummins lifters best suited for your high-revving application. More product features include (see product page short description and Overview section for details): * Standard and DLC coating options available * Foot size diameters are 1.400 in. or 1.500 in. * Seats are 10mm or 5/16 in.

Not Yet Reviewed

$85.99

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$144.99