Engines & Engine Parts

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

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Results 1 - 25 of 355

LS Classic Series Big Block Chevy Style LS Valve Covers GMLS1003C

Valve Covers, Cast Aluminum, Big Block Chevy Style for LS, Tonawanda Decals, Oil Filler, Breather Tube, Centerbolt, 2 in. Tall, Chrome, Chevy, Pair

Part Number: LSS-GMLS1003C

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Summit Racing™ Diecast Aluminum Valve Covers SUM-G3313

Valve Covers, Tall, Cast Aluminum, Polished, Plain, Chevy, Big Block, Pair

Part Number: SUM-G3313

4.19 out of 5 stars ( 31 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-813

Valve Covers, Tall, Steel, Chrome, Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-813

4.02 out of 5 stars ( 43 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-812

Valve Covers, Short, Baffled, Stamped Steel, Chrome, Chevrolet and Bowtie Emblem, Chevy, Big Block, Pair

Part Number: PRO-141-812

3.07 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-811

Valve Covers, Tall, Steel, Black Wrinkle, Red Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-811

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-810

Valve Covers, Short, Baffled, Steel, Black Wrinkle, Red Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-810

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-787

Valve Covers, Tall, Perimeter Bolt Style, Steel, Orange, Chevrolet Logo, Baffled, Chevy, Big Block, Pair

Part Number: PRO-141-787

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-114

Valve Covers, Stock Height, Steel, Chrome, Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-114

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Proform Stamped Steel Chevrolet Valve Covers 141-888

Valve Covers, Steel, Tall, Shark Gray, Chevrolet Bowtie Logo, Chevy, Big Block, Pair

Part Number: PRO-141-888

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Brodix Cylinder Heads BB-2 Xtra Cylinder Heads for Big Block Chevy 2021024

Cylinder Head, BB-2 Xtra, Aluminum, Assembled, 119cc Chamber, 365cc Intake Runner, Chevy, Big Block, Each

Part Number: BRO-2021024

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Brodix Cylinder Heads Race-Rite Oval Port Cylinder Heads for Big Block Chevy 2061000SSCC

Cylinder Head, Race-Rite, Aluminum, Assembled, 119cc Chamber, 270cc Intake Runner, Chevy, 396, 402, 427, 454, Each

Part Number: BRO-2061000SSCC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Brodix Cylinder Heads BB-2 Plus Cylinder Heads for Big Block Chevy 2021012

Cylinder Head, BB-2 Plus, Aluminum, Assembled, 119cc Chamber, 312cc Intake Runner, Chevy, Big Block, Each

Part Number: BRO-2021012

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Brodix Cylinder Heads Race-Rite Oval Port Cylinder Heads for Big Block Chevy 2061000

Cylinder Head, Race-Rite Oval, Aluminum, Assembled, 119cc Chamber, 270cc Intake Runner, Chevy, Big Block, Each

Part Number: BRO-2061000

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

FLOTEK 320cc Big Block Chevy Cylinder Heads 306-500

Cylinder Head, 320cc, Aluminum, Bare, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-306-500

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

FLOTEK 320cc Big Block Chevy Cylinder Heads 305-6058

Cylinder Head, 320cc, Solid Roller, Aluminum, Assembled, 0.750 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-305-6058

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

FLOTEK 315cc Big Block Chevy Cylinder Heads 315-500

Cylinder Head, 315cc, Aluminum, Bare, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-315-500

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

FLOTEK 360cc Big Block Chevy Cylinder Heads 360-500

Cylinder Head, 360cc, Aluminum, Bare, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-360-500

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

FLOTEK 315cc Big Block Chevy Cylinder Heads 315-6058

Cylinder Head, 315cc, Solid Roller, Aluminum, Assembled, 0.750 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-315-6058

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

FLOTEK 320cc Big Block Chevy Cylinder Heads 305-5059

Cylinder Head, 320cc, Solid Roller, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-305-5059

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

FLOTEK 360cc Big Block Chevy Cylinder Heads 360-5059

Cylinder Head, 360cc, Solid Roller, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-360-5059

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

FLOTEK 360cc Big Block Chevy Cylinder Heads 360-6058

Cylinder Head, 360cc, Assembled, Aluminum, Natural, Chevy, Big Block, Each

Part Number: FLK-360-6058

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

FLOTEK 315cc Big Block Chevy Cylinder Heads 315-5059

Cylinder Head, 315cc, Solid Roller, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-315-5059

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Brodix Cylinder Heads BB-2 Plus Cylinder Heads for Big Block Chevy 2028113

Cylinder Head, BB-2 Plus, Aluminum, Assembled, 115cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: BRO-2028113

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Allstar Performance Fabricated Aluminum Valve Covers ALL26176

Valve Covers, Allstar Performance Fabricated Aluminum Valve Covers, Big Block Chevy, Tall, Natural Finish, Without Holes, Sold as a Pair

Part Number: AAF-ALL26176

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Billet Specialties LS Valve Cover Conversion Kits 95037

Valve Cover Spacers, Perimeter Bolt, Billet Aluminum, Natural, 0.500 in Thick, Chevy, Small Block Chevy Valve Covers to LS Engine, Pair

Part Number: BSP-95037

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Quick Fuel Fabricated Valve Covers 128-22QFT

Valve Cover, Billet Aluminum, Fabricated, Chevrolet, Big Block, Pair

Part Number: QFT-128-22QFT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

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