Chevrolet Performance Parts

Founded in the late 1960s, Chevrolet Performance—formerly GM Performance—was originally created to supply the Trans Am racing teams with high performance...

Founded in the late 1960s, Chevrolet Performance—formerly GM Performance—was originally created to supply the Trans Am racing teams with high performance parts. But when these products were released to the public, it transformed GM Performance into an industry leader. Now the company’s parts are spread throughout the market and can be seen on everything from Chevy street machines to NASCAR stock cars. Today, Chevrolet Performance manufactures race-proven crate engines, air/fuel components, transmission equipment, valvetrain components, and many more Chevy and GM performance parts that are guaranteed...

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Results 1 - 15 of 15

Chevrolet Performance Cast Aluminum Valve Covers 12582224

Valve Cover, Stock Height, Cast Aluminum, Natural, Chevy, 6.2L, Passenger Side, Each

Part Number: NAL-12582224

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Chevrolet Performance Valve Covers 12642655

LS VALVE COVER

Part Number: NAL-12642655

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Chevrolet Performance Valve Covers 12637684

LS VALVE COVER

Part Number: NAL-12637684

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Chevrolet Performance Valve Cover Gaskets 12637683

Gasket, Valve Cover, Rubber, Chevy, 5.7L, Each

Part Number: NAL-12637683

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Chevrolet Performance Replacement Valve Cover Bolts 12577215

Valve Cover Bolts, Steel, Chevy Small Block, L92, Each

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Chevrolet Performance LS3 6.2L 376 C.I.D 430 HP Base Long Block Crate Engines 19435106

Crate Engine, GM 6.2L, LS3, 430 HP, Internal Engine Balance, Aluminum Block and Heads, Each

Part Number: NAL-19435106

4.0 out of 5 stars ( 6 )

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Chevrolet Performance LS3 6.2L 376 C.I.D 525 HP Engine Assemblies 19435104

Crate Engine, GM 6.2L, LS3, 525 HP, Internal Engine Balance, Aluminum Block and Heads, Each

Part Number: NAL-19435104

Not Yet Reviewed

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Need It Sooner? We recommend these similar substitute parts:

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP Long Block Crate Engines PSLS37630CT

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Chevrolet Performance LS3 6.2L 376 C.I.D 430 HP Fully Dressed Long Block Crate Engines 19435098

Crate Engine, GM 6.2L, LS3, 430 HP, Internal Engine Balance, Aluminum Block and Heads, Each

Part Number: NAL-19435098

Not Yet Reviewed

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Chevrolet Performance LS 376/525 LS3 Long Block Crate Engines 19435110

Crate Engine, LS 376/525 LS3 Long Block, Internal Balance, Hydraulic Roller, OE Roller, Aluminum Block and Cylinder Heads, Chevrolet, 6.2L LS, Each

Part Number: NAL-19435110

5.0 out of 5 stars ( 2 )

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Chevrolet Performance LS3 6.2L 376 C.I.D 495 HP Engine Assemblies 19435100

Crate Engine, GM 6.2L, LS3, 495 HP, Internal Engine Balance, Aluminum Block and Heads, Each

Part Number: NAL-19435100

3.0 out of 5 stars ( 2 )

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Chevrolet Performance Engine Cover Mounting Studs for 2012-2015 CAMARO, 2005-2013 CORVETTE, 2013-2019 XTS - 11589406

Engine Cover Mounting Stud, Hex Head, Aluminum, Natural, LS2, LS3, LS7, LS9, LSA, LFX, LF3, Each

Part Number: NAL-11589406

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Chevrolet Performance LSX376 Crate Engines 19434412

Crate Engine, LSX376-B15, Long Block, 6.2L, 376cid, 473 HP, 9.0:1 Compression, Cast Iron Block, Aluminum Heads, Hydraulic Roller Cam, Chevy, GMC, Each

Part Number: NAL-19434412

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today