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

Part Groups

Results 1 - 24 of 90

ARP Cam Bolts

End your camshaft timing worries! High-quality ARP cam bolts have increased preload clamping force to ensure positive timing gear register. Their increased material strength overcomes valvetrain harmonics and stress. These cam bolts have a reduced head size that makes installation and removal easier. They are available in 170,000 psi high performance kits and 190,000 psi Pro series kits.

4.81 out of 5 stars ( 276 )

$6.99

$7.99

BTR Connecting Rod Bolts

BTR connecting rod bolts are stock replacements for Gen III and Gen IV LS engines. An important connection in your rotating assembly, your rods need the correct fasteners to hold them together. You can be confident that the fit and strength of BTR connecting rod bolts will do the job.

5.0 out of 5 stars ( 3 )

$2.99

Chevrolet Performance Connecting Rod Bolts

What better way to secure your connecting rods than with genuine Chevrolet Performance bolts? Your rods are an important connection in your rotating assembly--making the fasteners that hold them together even more important. Choose the strength of Chevrolet Performance connecting rod bolts.

5.0 out of 5 stars ( 3 )

$6.99

Melling Pushrods

Melling OEM replacement pushrods are perfect for stock rebuild or mild performance applications where open spring pressures do not exceed 300 lbs. They're manufactured from steel tubing and work well with factory or aftermarket rocker arms. These units are available in a wide range of lengths and other options for fitment on countless makes and models. When you're replacing your valvetrain components, trust Melling pushrods to keep your engine running smoothly.

4.51 out of 5 stars ( 73 )

$4.99

Summit Racing™ Lifter Guides

Give your roller lifters the proper orientation with Summit Racing™ lifter guides. Hydraulic roller lifters cannot be allowed to rotate, and our sturdy lifter guides will keep your lifters properly positioned to prevent rotation. They're available in a variety of styles for applications from the 1980s and up. Trust Summit Racing™ lifter guides to keep your lifters captive!

4.53 out of 5 stars ( 40 )

$9.99

Clevite P-Series Rod Bearings

P-Series rod bearings are the oldest members of the Clevite 77 performance bearing family. They're intended for high-revving engines, especially those where the high rpm cause the rod bores to narrow. To compensate for this distortion, these direct replacements have higher eccentricity and a high crush factor. Clevite P-Series rod bearings are built on hardened-steel backings with extra-thin overlays, and their lower sections have dowel holes for use with aluminum rods, and there are extra-clearance variations available with an additional 0.001 in. of clearance. Order the model designed for your vehicle and engine application.

4.82 out of 5 stars ( 284 )

$8.99

$9.99

Allstar Performance Cylinder Head Dowel Pins

Allstar Performance cylinder head dowel pin kits will keep gaskets in position and properly align cylinder heads to your engine block. Dowel pins are an often overlooked item when performing a rebuild or upgrading cylinder heads. Available for different applications, don't skip the pins—let Allstar kits make your build a definite success.

4.79 out of 5 stars ( 24 )

$8.99

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

Chevrolet Performance Main Cap Fasteners

Keep your main caps secure with a set of Chevrolet Performance main cap fasteners. They are made from quality OEM materials and are built to strict tolerances to ensure a direct fit. You don't ever want to have a failure in your engine's rotating assembly. Pick up Chevrolet Performance main cap fasteners for maximum reliability.

5.0 out of 5 stars ( 6 )

$4.99

$6.99

BTR Rocker Arms

No more broken rockers! BTR rocker arms are designed to provide superior movement of inertia, compared to roller tip rockers, for max RPM. Their all-new 1.7 ratio drop-in design is perfect for cathedral port and square port (exhaust only), but will also work on the exhaust side of the L92/LS3 head. Constructed of bare steel, these BTR rocker arms are 46 percent stronger than stock Chevrolet rockers in FEA analysis--and feature an extended tip design that will allow for higher valve lift and improved valve tip durability.

Not Yet Reviewed

$9.99

Chevrolet Performance Replacement Valve Cover Bolts

Did you lose or damage a valve cover bolt? Chevrolet Performance has you covered with these replacement valve cover bolts. They are just like your factory originals, so you have no worries about fit or appearance--everything will be just how the engineers at Chevy intended. Chevrolet offers these replacement valve cover bolts for most of their popular engines, so finding the right one will be easy.

4.87 out of 5 stars ( 15 )

$6.99

Chevrolet Performance Camshaft Bolts

Chevrolet Performance offers an assortment of durable bolts for use on your camshaft installation Choose from among various materials, including steel and chromoly; finishes such as black oxided and natural; lengths, head styles, and thread sizes. These bolts are available for a wide range of engine sizes and camshaft component applications.

5.0 out of 5 stars ( 30 )

$7.99

Summit Racing™ LS Oil Pan Pressure Relief Valve Plugs

Oil pan pressure relief valve plugs are typically used to delete the secondary pressure relief valve when the Active Fuel Management (AFM) and/or the Variable Valve Timing (VVT) has been deleted. Our Summit Racing™ LS Oil Pan Pressure Relief Valve Plugs feature steel construction, a black finish, internal Allen-style head, and include an aluminum crush washer to deliver a complete seal into most LS pans with a secondary pressure relieve valve.

5.0 out of 5 stars ( 1 )

$6.99

Melling Oil Galley Barbell Plugs

Melling oil galley barbell plugs are quality replacements for the galley barbell plugs on your LS engine. These oil diverter valves fit in the back of your LS engine block and are essential to the oil pressure circuit. You don't want to overlook the little things for an enduring repair or build, so don't forget to order a Melling oil galley barbell plug.

5.0 out of 5 stars ( 3 )

$9.99

Summit Racing™ Valve Springs

Valve springs are one of the most critical and overlooked components in your engine. They must be matched to your cam in order for the engine to reach its full potential. Summit Racing™ springs are made from high quality steel with precision winding and surface treatments. Special consideration for reduced valvespring and retainer mass ensures stability at high rpm. This reduces valve float, extends the rpm range, and greatly reduces valvetrain wear.

4.79 out of 5 stars ( 28 )

$4.99

Summit Racing™ Extended Life Oil Filters

Summit Racing™ extended-life oil filters keep your engine free from contaminants. Our canister-style filters feature proprietary synthetic filter media that offers high filtration and low restriction—longer. These economical oil filters deliver up to 10,000 miles of engine protection. Order the model recommended for your vehicle and engine application. Summit Racing™ extended-life oil filters feature: * Durable 0.5mm thick steel canister for withstanding high operating pressures * High-capacity can design for trapping and holding dirt * 98 percent multi-pass particle removed efficiency * High-quality pressed steel baseplate * Silicone sealing gasket * Roll-tap formed threads to help prevent vibration fatigue * Silicone anti-drain-back valve that protects engine during start-up * Filter bypass relief valve if filter media becomes blocked * Textured powdercoating to ensure durability and deliver enhanced grip * Protective film over filter opening to prevent debris from contaminating filter prior to installation

4.74 out of 5 stars ( 38 )

$7.99

BTR Camshaft Bolt Kits

BTR camshaft bolt kits will easily end your camshaft timing worries. These fasteners offer easy installation and removal with their reduced head size. If you're installing a new cam or simply upgrading the hardware, order the BTR camshaft bolts recommended for your year/make and engine application.

4.56 out of 5 stars ( 9 )

$2.99

$4.99

Chevrolet Performance Cylinder Head Pins

Chevrolet Performance cylinder head pins offer accurate alignment. Precise positioning of your cylinder heads prevents leaks and keeps your engine efficient. And who knows your GM ride better than Chevrolet Performance? Maintain the quality performance of your ride with genuine GM cylinder head pins.

4.83 out of 5 stars ( 18 )

$6.99

Melling Valves

It's never a good idea to cut corners when you're installing new valves. Melling is noted for its world-class engineering, superior grade alloy materials, and advanced manufacturing processes. Melling intake and exhaust valves meet the exacting specifications required for efficient, durable, and powerful performance. They feature high-fatigue strength, excellent heat resistance, and offer years of dependable service. Available in a wide variety of designs and materials for most OEM and performance vehicle applications, each valve is built and validated to meet or exceed OE specifications. Melling valves—unsurpassed quality you can trust.

4.6 out of 5 stars ( 42 )

$7.99

$9.99

Summit Racing™ Woodruff Keys

Summit Racing™ woodruff keys are designed to locate the crank sprocket on the nose of the crankshaft. They're made of steel and available with zero degree offset for forward or rearward position.

4.89 out of 5 stars ( 9 )

$3.99

$5.99

BTR Oil Galley Barbell Plugs

BTR oil galley barbell plugs are quality replacements for your LS engine. These oil diverter valves fit in the back of your LS engine block and are essential to the oil pressure circuit. You don't want to overlook the little things for an enduring repair or build, so don't forget to order a BTR oil galley barbell plug.

5.0 out of 5 stars ( 3 )

$6.99

BTR Valve Cover Fasteners

No more struggling to replace the grommet of your valve cover bolt. BTR valve cover fasteners are direct replacements of the stock parts, and they include the bolt and grommet. Secure your valve covers the hassle-free way with BTR replacement valve cover bolts.

Not Yet Reviewed

$4.99

ATI Harmonic Balancer Bolt Kits

ATI harmonic balancer bolt kits are comprised of extra-strength chromoly steel bolts that can be used with ATI and other popular dampers. The kits are designed for the balancer to crank attachment to secure the balancer in place and keep it there, even under severe conditions.

4.33 out of 5 stars ( 24 )

$9.49

Dorman Harmonic Balancer Bolts

Lock the harmonic balancer onto the crankshaft with Dorman harmonic balancer bolts. They are made of high-quality steel for durability, securing your harmonic balancer tightly. Dorman is a leading supplier of original equipment automotive and heavy-duty replacement parts.

4.11 out of 5 stars ( 9 )

$4.99

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