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Summit Racing™ Pro LS forged H-beam connecting rods deliver industry-leading fit, finish, and durability at an affordable price. They're available in different size options, individually or in a set of 8. Check out the long list of premium features: * 4340 forged steel * Tested to over 1,200 hp in boosted applications * Designed for up to 5,000 ft. per minute avg. piston speed in Street and Drag applications * ARP 2000 rod bolts with 200,000 psi tensile strength * Dual ribbing on rod cap for maximum strength * Stroker clearanced--minor cylinder notching may be required * Accommodates most camshafts with 4.250 stroke * Bores finished to +/- .0001 in. * Balanced to within +/- 1 gram per end * Full-floating with precision-honed bronze bushing * Small-end supports the wrist pin with minimal side clearance for maximum shear strength * Each rod is magnetic particle tested to ensure flawlessness * Shot-peened finish to remove potential for stress risers
( 19 )
$699.99
Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
( 502 )
$623.99
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$744.99
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.
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$768.00
$691.20
Chevrolet Performance hydraulic roller lifters are designed as direct replacements for your engine. These lifters were designed for use by GM to be used in performance engine builds and incorporate improved valving to allow higher rpm capability- what more can you ask for?
( 64 )
$553.04
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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$563.00
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$780.00
$506.70
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$702.00
COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. In an ongoing quest to provide you with the performance and sound you demand, COMP Cams engineering team proudly introduces the Thumpr Series cam and lifter kits. The lobe profile and grind characteristics of these Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize the rough-idling characteristics of the cams. This gives you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. Thumpr camshafts are available in different grind profiles; each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. Thumpr Series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance.
( 212 )
$589.95
Summit Racing™ precision cast cylinder heads are made from tough A-356 aluminum alloy and feature Permanent Mold "As-Cast" technology. Port accuracy is unrivaled--meaning CNC porting is not required to provide superior flow. The result is CNC-ported performance at a fraction of the price! We start with precision CNC-finished faces and bolt holes for accuracy and fitment. American craftsmen expertly size and install the manganese bronze valve guides and interlocking ductile iron seats before finishing with a competition-grade valve job. From there, the decks are given a final pass for superior finish. They are finish-assembled in the USA with top-quality components like PAC Racing springs, fasteners, one-piece 21 4N stainless valves, machined locks, Viton® seals and chromoly steel retainers. The final result is the performance you want and Summit Racing™ quality you TRUST!
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$624.99
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$709.99
HP Tuners Introduces VCM Suite MPVI4 Credit Pro packages, the latest evolution of their industry-leading OBDII interface. Built for professionals and enthusiasts alike, the computer programmers connect your vehicle to VCM Suite software (5.2+) for faster, smarter, and more powerful tuning and diagnostics than ever before. With upgraded hardware, expanded connectivity, and future-ready Wi-Fi capabilities, the MPVI4 redefines what's possible in performance calibration and data acquisition. Models are available with 0, 2, 4, 6, or 8 credits. HP Tuners VCM Suite MPVI4 Credit Pro packages feature: * Improved standalone logging: the most powerful device yet, capable of delivering standalone logging performance on par with VCM scanner and a wired connection * Upgraded hardware architecture: New internal processor for improved data throughput and flashing performance; 30x more memory than previous generation MPVI3 * High-speed USB-C connectivity: Faster, more reliable communication with your PC and vehicle * Bluetooth 5.2: Seamless wireless connection for scanning, logging, and TDN support * Wi-Fi ready (future update): Wireless VCM Suite connectivity coming soon * Enhanced storage and efficiency: Increased onboard memory for robust logging sessions * Improved OBDII fitment: A revised, tapered design means a more secure connection and better compatibility with even more makes/models * Built-In Pro feature set: Standard on every MPVI4, enabling standalone data logging and external sensor integration with PROLINK+ * RGB status LEDs: Clear visual indicators for power, connection, and activity status * Cross-Platform Compatibility: Works with VCM Suite (5.2+), TrackAddict, and RaceRender
( 2 )
$599.95
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$699.93
On Sale
MSD Pro-Billet ignition bundles contain performance components to breathe new life into your engine. Available with different Pro-Billet distributors; select the kit with the distributor for your engine. Contents and features: * Pro Billet distributor -- CNC machined billet aluminum housing and billet aluminum base -- Polished steel shaft is QPQ coated and guided by a sealed ball bearing -- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range * Blaster 2 coil -- Improved spark output -- Alkyd tower with high dielectric properties is less prone to carbon tracking -- 100:1 turns ratio and lower primary resistance produce high-voltage output -- Metal canister is filled with a premium grade oil for cooling * Coil bracket -- Uses a bolt/nut combination instead of the easily stripped self-tapping screw * Red MSD 6 AL Digital ignition box -- High output with 530 volts and 135mJ of spark energy -- Set an rpm limit with two rotary dials in 100 rpm increments -- Built-in LED for system checks -- All wires exit through a locked, sealed connector
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$699.95
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$749.95
$628.95
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$673.95
Howards Cams Street series retrofit hydraulic roller lifters are designed for street performance enthusiasts who want to upgrade to a hydraulic roller camshaft. They are manufactured to fit early or late model blocks, including blocks with tall lifter bosses. Howards Cams uses cold form technology to shape their bodies for durability. The lifters are then carbonitrided and tempered for hardness. They also feature hardened and tempered steel alloy roller wheels, heat-treated stainless steel cross bars, and high-alloy steel tie bar buttons. Howards Cams Street series retrofit hydraulic roller lifters are specifically designed for street applications up to 6,500 rpm.
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$646.99
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$666.99
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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$849.95
$552.95
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$749.95
Summit Racing™ link bar hydraulic lifters are drop-in retrofit lifters designed to allow conversion to street hydraulic roller camshafts. These lifter bodies are machined from cold formed steel with clipped axles. They feature .700 in. diameter wheels and are designed for street use up to 6,500 rpm.
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$648.99
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$695.99
On Sale
FASS Fuel Systems Titanium Signature Series fuel/air separation systems are a beneficial upgrade for your diesel engine. Titanium systems feature compact designs, powerful motors for improved fuel flow, and advanced filtration that's far superior to your factory fuel filter. Their diesel fuel lift pumps are engineered to be top performing, reliable, long-lasting units—and are backed by a limited lifetime warranty on all light-duty diesel applications. The Signature Series also features FASS revolutionary Whisper Technology that effectively and drastically reduces the sound levels of these diesel systems to a "whisper," while at the same time increasing fuel flow rates. Whether stock or highly modified, FASS Titanium Signature Series diesel fuel systems are available to handle your engine's horsepower. Features and benefits: * Systems available with flow rates up to 290 gph * Advanced filtration removes water, air, vapor, and debris with a filtration rating of 2 micron * Smoother engine idle * Protects and extends the life of your injectors * Whisper Technology (FWT)—reduces noise levels without reducing flow rates * Performance Radius Cuts (PRC)—advanced machining technique creates smooth cuts within aluminum housing * Improved fuel volume delivery * Mass Flow Return (MFR)—technology used to continually "polish" your fuel by keeping positive pressure on fuel being delivered to your engine, guaranteeing the cleanest fuel possible. Also prevents cavitation, along with galling and scoring. * Improved cold weather starts * Decreases carbon monoxide and carbon dioxide emissions * Easier bolt-on bracket mounts do not require any drilling or welding to mount new pump * 1/2 in. fuel lines and ports * Fuel mileage improvement * 30,000 mile filter life expectancy
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$669.00
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$719.00
$602.10
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$647.10
The Summit Racing Pro LS forged pistons are affordable and built to withstand the rigors of high boost and nitrous. These pistons are forged from Premium 2618 alloy - the strongest made. They have specially profiled piston skirts, which allow them to run a tight piston-to wall-clearance for maximum ring seal and minimal friction. They have many other high-tech features too! • Maximum ring-land thickness for power-adders • Dedicated forgings for the best strength-to-weight ratio • Multiple compression ratios specifically targeted for 4.8L, 5.3L, 5.7L, and 6.0L engines • Designed around Premium file fit rings with Gas-Nitride or Plasma steel tops and ductile Napier second rings • Available in versions for Gen. 3 Press-fit, Gen. 4 Floating, and Aftermarket 6.125 rods • Standard and Stroker versions available • Generous valve reliefs that work with both Cathedral port AND Rectangle port heads • Pressure-fed pin-oiling • Pressure seal groove in 2nd ring land for increased seal. • High-Speed brush deburring to remove sharp edges that cause detonation • Ultra-Modern 2.250 pin forgings clear the reluctor rings with stroker cranks • Durable Chromium Steel wristpins. • Replacement Singles Available
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$622.99
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$649.99
On Sale
You won't find a better quality cam for your LS-based engine than our Summit Racing™ Pro LS series of cams. These convenient combo kits enable you to get the cam along with the correct matching lifters. Pro LS cam, lifters, and trays are included in one easy-to-order part number. Whether for street/strip, turbocharged, or racing use, you'll find the kit recommended for your year/make and engine application.
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$580.10
$531.35
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$580.10
Detroit Speed power steering boxes are designed to provide you with rack and pinion performance. They feature quality, durable cast iron construction and bolt in the factory location without making any modifications to the frame or body.
( 8 )
$554.95
QA1 Pro coilover systems are engineered from the ground up to offer unmatched performance over stock suspension setups. Pro coilover systems utilize adjustable and non-adjustable coilover shocks and springs designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and variable position valving adjustment (where applicable) for performance not found in other kits. Choose QA1 Pro coilover systems for your next suspension upgrade.
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$713.95
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$749.95
Built to outlast and outperform in accuracy and strength, Ultra Pro Magnum XD roller rocker arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.8 in 0.5 in. increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These Ultra Pro Magnum XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) optimization for drag and circle track applications.
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$584.95
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$634.95
ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are offered in a variety of diameters, and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations, providing maximum flexibility. They're available in steel or lightweight, hardcoated aluminum. Features and benefits: * Eliminates torsional crankshaft vibrations * Exceeds SFI 18.1 specs * Black zinc chromate finished * Tunable, rebuildable, and extremely efficient at all rpms * Laser-engraved 360 degree timing marks
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$518.95
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$578.28
PROMAXX Performance designed and developed these cylinder heads from the GM 6.5 diesel casting. They are cast iron direct bolt-on replacements for your 6.5L diesel engine. The assembled heads have straight intake bolt holes in the cylinder head, and will typically use a one-piece intake manifold. Order the model recommended for your Chevy or GMC truck.
( 8 )
$538.00
Summit Racing™ Performance 4340 forged steel connecting rods come in a variety of applications and options. From a light rod street-strip cruiser to a beefy rod for a 1500 hp big block, you will find just the rod for your combination. As always, Summit Racing™ connecting rods are packed with great features at the best prices. Options and features: * Chevy, Ford, Chrysler, and Pontiac * Big and small blocks * Multiple lengths * H-beams and I-beams * Through-bolts to cap-screws * Press-fit to full-floating * Multiple grades of rod bolts from 8740 through L-19
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$519.99
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$749.99
Are you looking for a high-flow billet throttle body? The FAST engineering team used the latest computer modeling software and real-world testing to produce these throttle bodies, which yield the maximum flow per square inch of cross-sectional area. All FAST throttle bodies are machined from super-strong 6061-T6 billet aluminum in precision CNC machining centers for consistent quality and light weight.
( 3 )
$739.95
Summit Racing™ Pro LS turbo manifolds allow you to easily bolt a turbocharger to your LS engine. Built from heavy-duty cast stainless steel with features, such as extra-thick flanges, V-band crossover adapters, and built-in wastegate mounts, our Pro LS turbo manifolds can handle all the heat and horsepower you can throw at them. Features: • Universal turbo manifolds • Single or dual mount designs • T4 flanges • Built in 44 or 45mm wastegate flanges • 304 cast stainless steel • Fits all LS exhaust ports
( 9 )
$599.99
Mishimoto performance radiators are designed and engineered to maximize cooling efficiency, boost engine functions, and, most of all, protect your engine from overheating. Many stock radiators can't handle the additional heat that comes higher horsepower levels. So, swap out your stock radiator for an all-aluminum Mishimoto. Key features and benefits of Mishimoto performance radiators include: * Available for universal and exact fit applications (no cutting or modifications required) * All-aluminum construction for optimal heat dissipation, improved strength, and reliability * Increased cooling capacity due to their massive core size * 100 percent brazed aluminum core for minimal distortion, low stress, and clean joints * Available in various sizes with 2-row or 3-row cores * TIG-welded for clean, strong welds and increased durability * Magnetic drain plugs capture metallic debris or fragments * Included high-pressure 1.3 bar cap raises the coolant boiling point for greater safety and efficiency * Automatic transmission and accessory coolers included where applicable
( 318 )
$503.95
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$655.99
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