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CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

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Results 1 - 24 of 35

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BTR Camshafts

BTR camshafts are designed for excellent performance and great drivability. Brian Tooley Racing offers a large number of camshafts and combinations to fit many applications for trucks and cars. Numerous grinds for turbo, supercharged, and naturally aspirated combinations are available for your project, all backed by years of experience, knowledge, and a passion for power.

4.71 out of 5 stars ( 14 )

$409.99

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AFR 210cc LS1 Enforcer Cylinder Heads

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.

5.0 out of 5 stars ( 2 )

$562.80

$780.15

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ACDelco GM Genuine Parts Engine Valve Lifter Guides

ACDelco GM Genuine Parts engine valve lifter guides keep the lifters from rotating. These GM-recommended replacements deliver peace of mind that the fit, form, and function are of the highest standards. Order the guides designed for your GM year/make and engine application.

5.0 out of 5 stars ( 5 )

$13.99

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ACDelco GM Genuine Parts Hydraulic Roller Lifters

ACDelco GM Genuine Parts hydraulic roller lifters are designed as direct replacements for your engine, offering the quality, reliability, and durability of GM OE. They automatically help maintain a "zero" valve lash condition to help prevent valvetrain noise and unnecessary component wear. Stay with the parts brand your vehicle came with; order the lifters tailored for your specific GM make/model.

4.0 out of 5 stars ( 4 )

$34.99

$38.99

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Scat Pro Comp I-Beam Connecting Rods

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.

4.74 out of 5 stars ( 61 )

$475.99

$564.99

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ACDelco GM Genuine Parts Engine Valves

ACDelco GM Genuine Parts engine valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles. For the optimal performance, replace your vehicle's parts with those made by the original manufacturer—ACDelco GM Genuine Parts.

5.0 out of 5 stars ( 1 )

$25.99

$119.99

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ACDelco GM Genuine Parts Lifter Valley Plates

ACDelco GM Genuine Parts lifter valley plates are designed, engineered, and tested to rigorous standards--and backed by General Motors. They're available in a variety of styles for vehicles from the 1990s and up. These true OE replacement parts offer a precise fit for an easier install. For optimal performance, stay with the brand your vehicle came with: GM Genuine Parts.

5.0 out of 5 stars ( 1 )

$166.99

$315.99

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ACDelco Camshaft Phasers

ACDelco camshaft phasers adjust camshaft positioning while your vehicle's engine is running. These GM-recommended replacements help to ensure the camshaft rotates in the correct timing with other valvetrain components, providing optimal engine performance. They work with your vehicle's VVT solenoid to help maximize drive quality and fuel economy. ACDelco camshaft phasers are manufactured to fit like the originals and to deliver the same performance, durability, and service life you've come to know and trust.

5.0 out of 5 stars ( 1 )

$173.99

On Sale

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COMP Cams Ultra Gold ARC Series Aluminum Rocker Arms

Designed specifically for high performance street and race engines, COMP Cams Ultra Gold ARC Series aluminum rocker arms are precision CNC-machined to strict tolerances. They incorporate modern technology and design features to create the most advanced aluminum rocker arms available. Proven to withstand extremely aggressive spring pressure, the COMP Cams Ultra Gold ARC Series aluminum rocker arms use their CNC-machined aluminum design for high quality and the ultimate in ratio accuracy.

4.63 out of 5 stars ( 112 )

$688.95

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ACDelco Drive Belt Tensioners

ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.

4.5 out of 5 stars ( 38 )

$41.99

$137.99

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ACDelco GM Genuine Parts Oil Pump Pickups

ACDelco GM Genuine Parts oil pump pickups are designed, engineered, and tested to rigorous standards and backed by General Motors. These replacement pickups are true OE parts, delivering the correct fit along with predictable performance. They're available in different styles for hundreds of applications from the 1990s and up. Maintain your GM vehicle with genuine factory parts from ACDelco.

5.0 out of 5 stars ( 5 )

$49.99

$73.99

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ACDelco Timing Chain Dampeners

Taming the "whip" of your timing chain is as easy as ACDelco dampeners. These high-quality, direct-fit replacements will keep your chain in place when decelerating from high rpms, quick shifts, and on/off throttling. You, too, can restrain the whip with ACDelco timing chain dampeners in place.

5.0 out of 5 stars ( 4 )

$32.99

$45.99

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ACDelco Engine Oil Pumps

ACDelco engine oil pumps are true OE parts that are made for your GM vehicle to deliver the ultimate in quality and reliability—at a price you can afford. Backed by General Motors, these genuine factory replacements are manufactured from premium materials using state-of-the-art equipment to provide proper fit and performance. Models are available for nearly a thousand year/make and engine applications from the early 2000s and up.

4.33 out of 5 stars ( 6 )

$144.99

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ACDelco Gold Oil Filters

An engine running on dirty oil won't last. Keep it clean with an ACDelco Gold oil filter. They help trap particles up to 25 microns, or one-third the width of a human hair, thereby improving the quality, performance, and lifespan of your engine. ACDelco makes oil filters to fit 99 percent of all cars, light trucks, and sport utility vehicles on the road today. Order the model designed for your engine application. Additional features include: * Excellent filter capacity, enhanced efficiency, consistent flow management, and high durability * Tight seals to prevent unfiltered oil from entering your engine * Consistent, dependable oil filtration throughout the filters

4.59 out of 5 stars ( 172 )

$5.99

$12.99

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Scat Pro Sport H-Beam Connecting Rods

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.

4.85 out of 5 stars ( 40 )

$683.99

$904.99

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ACDelco V-Ribbed Serpentine Belts

ACDelco V-ribbed serpentine belts resist the penetration of water, acids, and ozone--plus, they provide broad temperature tolerances. Their patented advanced technology design incorporates EPDM rubber, which stays soft and pliable longer than traditional belt materials. Neoprene and certain grades of rubber can harden, causing unwanted squealing and a shorter belt life. The flexible construction of these serpentines allows each belt to withstand many topside and backside bends. ACDelco offers their V-ribbed replacement belts in various lengths, widths, and rib quantities for a wide range of fitments.

4.89 out of 5 stars ( 37 )

$21.99

$68.99

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Fel-Pro Camshaft Thrust Plates

Fel-Pro camshaft thrust plates offer 100 percent vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust. These steel plates feature an O-ring seal and includes screws for installation.

Not Yet Reviewed

$39.99

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ACDelco GM Genuine Parts Alternator Brackets/Braces

ACDelco GM Genuine Parts alternator brackets/braces are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Repair your Chevrolet, Buick, GMC, or Cadillac vehicle with the parts you know will fit correctly and perform properly--ACDelco GM Genuine Parts alternator brackets/braces.

5.0 out of 5 stars ( 1 )

$96.99

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ACDelco GM Genuine Parts Oil Pans

ACDelco offers GM Genuine Parts oil pan replacements for a wide range of cars, trucks, vans, and SUVs. They're available in steel or aluminum, in different sizes, styles, and configurations for stock fitment. Some models also include gaskets and hardware. These parts are designed, engineered, and tested to rigorous standards—backed by General Motors. Order the OE direct-fit oil pan recommended for your vehicle.

5.0 out of 5 stars ( 2 )

$230.99

$327.99

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ACDelco GM Genuine Parts Camshaft Sprockets

ACDelco offers GM Genuine Parts camshaft sprockets for a wide range of cars, trucks, and vans. These engine timing OE replacement parts are machined from nickel steel to precise specifications. They're available in different diameters and tooth-counts. Stay with the parts brand your General Motors vehicle came with—to ensure the quality and performance will meet your expectations. Order the sprockets designed to fit your application.

5.0 out of 5 stars ( 1 )

$39.99

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ACDelco Serpentine Belt Drive Component Kits

ACDelco serpentine belt drive component kits are professional, premium aftermarket replacements for a variety of GM and non-GM applications. The kits include a serpentine belt, idler, tensioner, and supporting hardware with detailed installation instructions. Packaging these components together makes repair or replacement a simple, precise task.

4.0 out of 5 stars ( 4 )

$133.99

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ACDelco Engine Oil Dipsticks

ACDelco GM engine oil dipsticks provide a convenient way to accurately measure your oil capacity scale. These genuine OE GM parts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Stay with the parts brand your GM vehicle came with and get the quality you know and trust, choose GM OE engine components by ACDelco.

5.0 out of 5 stars ( 2 )

$31.99

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ACDelco Gold Idler Pulleys

ACDelco Gold idler pulleys are built to offer reliable operation under severe conditions. They're dependable in any weather or climate offering, you year-round performance. Mounting hardware is included on some popular applications. These pulleys are manufactured to meet or exceed your expectations for fit, form and function. Order the model recommended for your vehicle.

4.38 out of 5 stars ( 13 )

$16.99

$58.99

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Scat Forged Standard Weight Crankshafts

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.

4.44 out of 5 stars ( 25 )

$906.99

$1,166.99

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