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CHEVROLET Chevy small block Gen III/IV (LS-based engines) Parts and Accessories

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Results 1 - 24 of 262

On Sale

Holley Terminator X MAX Engine Management Systems

Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions

4.27 out of 5 stars ( 89 )

$1,789.95

$2,049.95

Summit Racing™ Automatic Transmissions

Summit Racing™ Automatic Transmissions combine quality and economy to offer replacement transmissions in many styles and options. These units are remanufactured with all-new clutches, thrust washers, seals, bushings, and high-energy bands, along with other "failure prone" hard parts depending on unit. Other features include a rebuilt front pump, a valve body with shift for street and performance and high-quality seals and gaskets. You get all these impressive upgrades, along with reliable performance and extreme value. All transmissions are Dyno tested before they're shipped. Order the model recommended for your vehicle.

3.6 out of 5 stars ( 47 )

$1,849.99

$1,899.99

Chevrolet Performance EFI Intake Manifolds

Chevrolet Performance EFI intake manifolds are ideal stock replacements for your worn or faulty original. These multi-port injection models are made from factory-style materials to OE specifications—for a proper fit and flawless performance. Order the manifold recommended for your vehicle application.

Not Yet Reviewed

$1,717.22

Chevrolet Performance LS Controller Kits

Chevrolet Performance Parts LS controller kits have everything that you need to properly tune your Chevrolet Performance Parts crate engine. Kits include: * ECU * Engine wiring harness * Mass airflow meter * Mass airflow meter mounting boss * Accelerator pedal assembly * Two oxygen sensors with mounting bosses * Detailed instruction sheet

5.0 out of 5 stars ( 1 )

$2,167.43

Trick Flow® GenX® 280 Cylinder Heads for GM LS3

Building on the features that make the GenX® 255 for GM LS3 great—like 12° valve angles and relocated valves for reduced valve shrouding and improved piston-to-valve clearance—Trick Flow's GenX® 280 HIP cylinder heads withstand the abuse of high horsepower, power-adder performance demanded by today's racers and engine builders. The GenX® 280 heads list of features is long, and it starts with the HIP'd (Hot Isostatic Pressed) castings. This process significantly increases the casting's density for improved tensile and fatigue strength. It continues with industry leading airflow through CNC Competition Ported 280cc intake ports and Trick-Alloy™ powdered metal valve guides for added longevity. Manley Severe Duty intake valves and Extreme Duty Inconel exhaust valves are designed to withstand the abuse of extreme temperatures and stresses of big power adder applications. Trick Flow® by PAC Racing dual valve springs, titanium retainers, .750-inch thick deck, and 6-bolt-per-cylinder mounting pattern round out the features. Trick Flow® GenX® 280 HIP cylinder heads for GM LS3 work with all LS3 intake manifolds and LS9/LSA blower assemblies and fit all LS head gasket and engine block combinations. These cylinder heads are available fully assembled or as bare castings. Sold individually. Key features: * 280cc intake ports and 67cc combustion chambers * HIP'd casting * Accepts 3/8 in. pushrods * Powdered metal valve guides * 2.165 in. NK-844 severe duty stainless steel intake valves * 1.600 in. XH-432 extreme duty Inconel exhaust valves * .750 in. thick deck * 6-bolt configuration * Assembled heads include a Trick Flow® LS3 rocker stand

Not Yet Reviewed

$1,949.99

Trick Flow® GenX® 255 Cylinder Heads for GM LS3

Trick Flow engineers used the best features of OEM GM LS3 and LS7 cylinder heads, combined with their own race-winning engineering and technology, to create the GenX® 255—the ultimate ultimate square port LS cylinder head for 4.000" and larger bore engines. The heads feature fully CNC Competition Ported runners with a premium high resolution surface finish for maximum airflow and performance potential. Stock LS3 ports accommodate LS3-style intake manifolds and LS9/LSA blower assemblies. The valve angles have been changed from 15° to 12° to increase piston-to-valve clearance and allow the use of larger camshafts. The coolant holes through the head deck were redesigned to work with all LS head gasket and engine block combinations. GenX 255 heads are available with standard or 6-bolt per cylinder mounting patterns. Trick Flow GenX 255 cylinder heads are emissions-legal under CARB E.O. #D-747 for 2007-present GM vehicles with 6.2L engines. They are available fully assembled or as bare castings. Sold individually.

4.0 out of 5 stars ( 7 )

$1,524.99

$1,599.99

March Performance Chevy LS Series Serpentine Kits

March Performance Chevy LS Series serpentine kits offer an exciting new look when mounting an accessory drive in your vehicle. They're designed for vehicles that do not have air conditioning. The driver side features a remote power steering pump with an attractive aluminum cover, while the passenger side has March's own billet alternator (except where noted). An OEM-style tensioner ensures perfect belt tension. All pulleys and brackets are CNC-machined from 6061-T6 aluminum for strength and perfect fit—and hard-coated on high wear areas for durability. Order the kit recommended for your vehicle. LS Series kits include: * Aluminum water pump * March billet alternator (except where noted) * Alternator pulley with fan * Water pump pulley with nose cover * Alternator bracket * Polished spring-loaded belt tensioner with cover * Crank pulley (required adapter sold separately) * Mounting hardware Kits with power steering include: * Type 2 remote power steering pump * Billet pump case * Power steering pulley with nose cover * Mounting hardware

5.0 out of 5 stars ( 1 )

$1,694.99

BoostLine Connecting Rods

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

1.0 out of 5 stars ( 1 )

$1,764.99

Chevrolet Performance Transmission Installation Clutch Kits

Chevrolet Performance has taken the hassle out of transmission installation. Clutch kits are available on their own, or with other key components you need to complete the job more easily. Choose the kit that's appropriate for your particular transmission—and experience a faster installation utilizing the quality Chevrolet Performance parts included.

5.0 out of 5 stars ( 2 )

$1,645.40

Injector Dynamics ID1300x Fuel Injectors

Injector Dynamics ID1300x fuel injectors are high-flow models with characteristics specific to the needs of motorsport tuners. You get superior flow without sacrificing idle and cruising performance in low fuel demand situations. This perfect balance between reliability and performance makes the 1300x Series one of the most popular options in today's motorsports. These injectors not only work with gasoline, but any ethanol fuels your engine is tuned for. The stainless internals prevent corrosion, add durability, and provide dependable flow in high performance engines. Order the ID1300x fuel injectors recommended for your vehicle.

4.0 out of 5 stars ( 1 )

$1,873.20

$1,890.00

Jesel Sportsman Series Shaft Rocker Arms

Since their release, Jesel Sportsman Series shaft rocker arms have proven themselves to be the ultimate replacements for inadequate stud rocker assemblies on OEM and aftermarket cylinder heads. The 2024 aluminum bodied rocker arms are designed to withstand open spring pressures of up to 900 lbs., while maintaining precise valve lash settings. They are designed to bolt on with little to no cylinder head modifications and in most cases still fit under a stock valve cover. The rocker geometry is preset and engineered using the common valve supplied with the specific cylinder head to provide a bolt-on-and-go installation. If you're still spending aggravating hours adjusting your stud rockers only to have to repeat the procedure the next weekend, Jesel Sportsman Series shaft rocker arms are your solution. Choose a set designed for your application.

4.32 out of 5 stars ( 22 )

$1,535.00

$1,690.00

DeWitts LSX Modified Radiator Modules

DeWitts LSX modified radiator modules are designed to fit into the stock mounting and use the factory connections when installing an LS engine. They're manufactured and furnace-brazed in DeWitts' own furnace. The cores feature two rows of cooling tubes, a serpentine fin, and are epoxy-free. The radiators' press-formed end tanks are manually TIG-welded by expert craftsmen, providing the ultimate in strength and appearance. Included is an aluminum shroud with a Spal electric fan mounting in position, one wire harness, and a temperature switch. DeWitts LSX modified radiator modules are available with a standard finish, an exclusive black ice epoxy coat for a great OEM look, or polished. Over a hundred models are available (crossflow or downflow) for vehicles from the 1960s and '70s. They can also be ordered with a built-in transmission cooler for your automatic equipped vehicle.

4.5 out of 5 stars ( 16 )

$1,534.99

$1,744.99

Wilwood AERO6-DM Direct Mount Truck Brake Kits

Wilwood AERO6-DM direct mount truck brake kits were designed for the specific purpose of providing big capacity braking with large diameter rotors for heavy weight and extreme duty vehicles. For trucks and SUV's, it provides big stopping power for towing, off-road, and enhanced braking with wheel and tire upgrades. The kits provide better hold while crawling and more thermal capacity for high-demand off-road and highway use, including towing, hauling, and commercial applications. These kits are engineered for direct mounting on Chevy, Ford, Jeep, and Toyota trucks, SUVs, and 4x4s. Forged aluminum AERO6-DM six-piston calipers deliver increased clamping force and are compatible with OEM rear brakes, master cylinder, and computer systems. The premium grade, long-grain carbon iron alloy rotors substantially increase braking performance with fade-resistant Wilwood performance brake pads. These kits fit in most 17 in. and larger wheels. Order the model designed to fit your application.

5.0 out of 5 stars ( 6 )

$1,755.59

Dakota Digital HDX Direct-Fit Analog Gauge Systems

Dakota Digital HDX direct-fit analog gauge systems feature the latest in aftermarket automotive instrumentation technology. They take personalization and usability to a whole new dimension, while retaining your favorite features from the wildly popular VHX-Series, such as LED backlighting for the numbers, tick marks, and dead-faced dash indicators (turn signals, high beam, check engine, cruise control engaged, and parking brake). Illuminated needles and a lifetime warranty are still part of the deal as well. These features add up to clean, easy-to-read instrument systems in all conditions. Precision stepper motors provide accurate needle movement, along with a full sweep at key-on, and the needle hubs are black nickel plated spun-aluminum. Dakota Digital HDX direct-fit analog gauge systems are available with your choice of black or silver alloy gauge-face styling. The systems allow the user to select their favorite illumination color for the gauge readings and needles, as well as the TFT message center displays. RGB LEDs are incorporated into the circuit boards for fully adjustable display colors, allowing the user to personalize their instrument system to match nearly any vehicle theme.

4.87 out of 5 stars ( 54 )

$1,543.75

Chevrolet Performance 480 HP LS3 Engine Controller Kits

Chevrolet Performance 480 hp LS3 engine controller kits include all of the components required to run your Chevrolet Performance Parts crate engine. They include an engine harness, a mass airflow meter with a mounting boss, oxygen sensors (2) with weld-in bungs (2), an accelerator pedal assembly, and a detailed instruction sheet. The kits have been specially preprogrammed for retrofitting a late model 6.2L LS3 Chevrolet engine in your street rod, hot rod, or muscle car.

5.0 out of 5 stars ( 1 )

$2,167.43

On Sale

XForce Varex Exhaust Systems

XForce Varex exhaust systems deliver the power, sound, and style you desire. Fabricated with the strength and beauty of 304 stainless steel, they're also designed for unrestricted flow and high performance. The systems feature XForce's patented muffler innovation, Varex, that's engineered with sophisticated butterfly valve mechanisms. This allows you to select optimal power output and sound levels to meet your desired preference by directing the flow of exhaust gases. You can choose to purr in street mode, roar in racing mode, or growl somewhere in between. XForce Varex exhaust systems look fabulous and hand the control of power and sound to you. Order the style, size, and configuration recommended for your vehicle.

4.35 out of 5 stars ( 55 )

$1,890.00

Trick Flow® GenX® 260 Cylinder Heads for GM LS7

Trick Flow® GenX® 260 square port cylinder heads for GM LS7 are the best choice for your LS-based performance build for several reasons. The A356-T6 aluminum castings feature more material for increased rigidity and strength. Factory LS7 port locations, valve angles, and valve locations have been maintained to work with existing intakes and pistons. One-piece modular, 2024-T4 billet aluminum rocker arm mounts enhance valvetrain stability and are removable for shaft rocker setups. High flow, high velocity CNC Competition Ported runners with the premium high resolution surface finish provide all-out air flow and performance throughout the entire powerband. Plus there's clearance for 3/8" pushrods and through-deck coolant holes that fit all GM LS gasket and block combinations, Trick-Alloy™ powdered metal valve guides, and solid stem valves. Fully assembled heads also include Trick Flow® by PAC Racing Pacaloy valve springs, steel or titanium spring retainers, die forged steel valve locks, and stainless steel valves. Trick Flow® GenX® 260 cylinder heads are emissions-legal under CARB E.O. D-747 for 2006 to present GM vehicles with 7.0L engines. They are available fully assembled or as bare castings and sold individually.

3.0 out of 5 stars ( 2 )

$1,524.99

$1,599.99

On Sale

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems

FiTech has some of the best-engineered and priced throttle body systems on the market. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. FiTech fabricated many aluminum parts for these systems, including the low-profile 92mm billet throttle body, high-volume billet fuel rails, and an intake manifold with 1,500 to 6,500 rpm powerband and 3mm construction. Sequential spark and fuel control mates 36 lbs./hr. injectors, a plug-and-play wiring harness, and a color touchscreen self-learning ECU. This allows for programing two fan control outputs, most tach and speedometer output drivers, and target AFR and timing on the fly. A suction cup mounting bracket puts the controllers at your fingertips and allows for impressive visual aids. The optional transmission control feature is suitable for 4L60, 4L65, 4L70, or 4L80 GM transmissions. FiTech LS EFI 500HP fuel injection systems with transmission controller provide impressive power and performance, while allowing you to save a little green for your next tires. Additional features: * Black anodized aluminum parts for style and corrosion resistance * High-flow, cable-operated throttle body * Bosch wideband-controlled * Stainless oxygen sensor bung * Compatible with car and truck coils * AN fittings and fuel crossover * Works with custom cams * Designed for applications making at least 6 in. of vacuum at idle * 24X and 58X crank and cam compatible * Programmable touchscreen hand-held controller with data log features

3.27 out of 5 stars ( 41 )

$2,107.00


$1,625.40

$2,151.99

Holley LS Engine Swap Accessory Drive Systems

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

3.88 out of 5 stars ( 33 )

$1,699.95

$2,099.95

McGaughy's Suspension Lift Kits

Give your rig a lift—via McGaughy's suspension lift kits! Their key components feature a brilliant gloss metallic silver powdercoat for longevity and durability. Installation is easy with minimal drilling; no re-routing of the exhaust, or cutting or grinding on the front or rear differential is necessary. This equipment is CNC-formed, machined, and laser-cut in-house from the highest grade materials. The spindles are CAD-designed for a perfect and accurate fit. Complete kits include the lower A-frame support rods, along with compression struts to add extra support and prevent the front and rear crossmembers from flexing. Dozens of kits are available for vehicles from the 1990s and up. Choose the style, lifted height, and other options recommended for your application; then elevate your rig to a higher stance with McGaughy's suspension lifts.

4.4 out of 5 stars ( 10 )

$1,747.99

$2,305.99

Summit Racing™ LS CNC Billet Intake Manifolds

Our Summit Racing™ LS CNC billet intake manifolds look great and are made to take whatever you can throw at them. They are capable of handling 2,000 horsepower and over 300 psi of boost! Their plenums and bolt-on runners are CNC machined billet aluminum and will not distort or warp under boost. These intakes can accept up to 102mm throttle bodies and include hardware, gaskets, and an -8 AN fuel rail kit.

Not Yet Reviewed

$2,399.99

PWR North America OE Fit Radiator Modules

PWR North America OE fit radiator modules offer you the latest in aluminum core designs for optimum cooling performance. With features like Spal fans, fluid coolers, unique fan mounting, and an exclusive upper soft mounting system, the PWR North America OE fit radiator modules can't be beat for performance and simplicity. These PWR radiator modules will lower oil temperatures better than any air to oil cooler! PWR's OE fit radiator modules are available in a range of applications to meet your specific cooling needs.

Not Yet Reviewed

$1,589.00

$2,189.00

LS Classic Series Classic Intake Manifold Kits

LS Classic Series classic intake manifold kits are designed to pay respect to the classic muscle cars and trucks of the 1950's, 60's, and 70's while using modern technology for ultimate performance. The intake kits include a single-plane aluminum intake manifold, black anodized billet aluminum fuel rails, a vintage air cleaner assembly, 4150 carb adapter plate, all mounting hardware, and gaskets. These systems require a 92mm GM 4-bolt throttle body and LS3/EV6 or LS1/EV1 fuel injectors. They are compatible with GM and aftermarket engine control units and harnesses that support both drive-by-wire and speed density tuning. LS Classic Series classic intake manifolds are available to work with rectangular or cathedral port LS cylinder heads. Order the classic intake manifold kit suited to fit your application.

1.0 out of 5 stars ( 1 )

$1,521.95

$2,114.95

Tilton ST-246 Twin Disc Clutch Kits

Tilton Engineering relied upon their 50 years of world-renowned experience in racing clutches to develop the ST-246 twin disc clutch kits for the high-performance street market. These aren't just another run-of-the-mill replacement—they're a true performance twin disc clutch and are available with either sprung-hub organic or solid-hub cerametallic discs, depending on your application. Where the upper limits of OEM-design ends, Tilton ST-246 twin disc clutch kits begin! Order the model recommended for your vehicle application. Features, items, and specs may include: * Precision-machined aluminum clutch cover for high-strength, stiffness, and better balance than OE-type stamped steel covers * High-mass main pressure plate and floater plate resist warpage and offer high-heat capacity * Heavy-duty straps attach plates to minimize noise and provide clean clutch release * High-strength/durability billet chromoly steel flywheel with precision register for optimal balance * Compatible with most OEM release bearings or Tilton's hydraulic release bearings * Sprung-hub organic option: less vibration/noise, smoother engagement, up to 850 lbs.-ft. of torque * Solid-hub cerametallic option: higher strength, more precise engagement, up to 1,250 lbs.-ft. of torque

4.11 out of 5 stars ( 9 )

$1,576.75

$2,006.00

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