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Engines & Components

Engines & Engine Parts

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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...

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 daily driver.

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Proform GM Licensed Slant Edge Valve Covers 141-921

Proform GM Licensed Slant Edge Valve Covers 141-921

Proform GM Licensed Slant Edge Valve Covers 141-921

Valve Covers, Cast Aluminum, Black Powdercoat, Tall, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-921

4.75 out of 5 stars ( 53 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-130

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-130

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-130

Valve Covers, Tall, Cast Aluminum, Polished, Chevrolet Logo, Centerbolt, Chevy, Small Block, Pair

Part Number: PRO-141-130

4.45 out of 5 stars ( 53 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Stamped Steel Chevrolet Valve Covers 141-750

Proform Stamped Steel Chevrolet Valve Covers 141-750

Proform Stamped Steel Chevrolet Valve Covers 141-750

Valve Covers, Stock Height, 1.22 in. Dia. Holes, with 0.75 in. I.D./1 in. I.D. Grommets, Steel, Black Wrinkle, Chevrolet Logo, Chevy, Small Block,Pair

Part Number: PRO-141-750

4.95 out of 5 stars ( 42 )

Estimated Ship Date: Tomorrow

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Proform Stamped Steel Chevrolet Valve Covers 141-905

Proform Stamped Steel Chevrolet Valve Covers 141-905

Proform Stamped Steel Chevrolet Valve Covers 141-905

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

Part Number: PRO-141-905

4.51 out of 5 stars ( 41 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-131

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-131

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-131

Valve Covers, Tall, Cast Aluminum, Black Wrinkle, Chevrolet Logo, Centerbolt, Chevy, Small Block, Pair

Part Number: PRO-141-131

4.69 out of 5 stars ( 32 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-930

Proform GM Licensed Slant Edge Valve Covers 141-930

Proform GM Licensed Slant Edge Valve Covers 141-930

Valve Covers, Cast Aluminum, Chrome, Slant-Edge, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-930

4.85 out of 5 stars ( 27 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-927

Proform GM Licensed Slant Edge Valve Covers 141-927

Proform GM Licensed Slant Edge Valve Covers 141-927

Valve Covers, Cast Aluminum, Polished, Slant-Edge, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-927

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-924

Proform GM Licensed Slant Edge Valve Covers 141-924

Proform GM Licensed Slant Edge Valve Covers 141-924

Valve Covers, Cast Aluminum, Orange, Tall, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-924

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Stamped Steel Chevrolet Valve Covers 141-899

Proform Stamped Steel Chevrolet Valve Covers 141-899

Proform Stamped Steel Chevrolet Valve Covers 141-899

Valve Covers, Steel, Chrome, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-899

4.49 out of 5 stars ( 69 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-939

Proform GM Licensed Slant Edge Valve Covers 141-939

Proform GM Licensed Slant Edge Valve Covers 141-939

Valve Covers, Slant-Edge, Tall, Perimeter Bolt Mounting Style, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-939

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-871

Proform GM Licensed Slant Edge Valve Covers 141-871

Proform GM Licensed Slant Edge Valve Covers 141-871

Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Gloss Orange Powdercoated, Chevrolet Logo Top Style, Chevrolet, Big Block, Pair

Part Number: PRO-141-871

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Proform Stamped Steel Chevrolet Valve Covers 141-813

Proform Stamped Steel Chevrolet Valve Covers 141-813

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: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-922

Proform GM Licensed Slant Edge Valve Covers 141-922

Proform GM Licensed Slant Edge Valve Covers 141-922

Valve Covers, Cast Aluminum, Chrome, Tall, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-922

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Collector's Series Slant-Edge Valve Covers 141-931

Proform GM Licensed Collector's Series Slant-Edge Valve Covers 141-931

Proform GM Licensed Collector's Series Slant-Edge Valve Covers 141-931

Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Red, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-931

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Stamped Steel Mopar Valve Covers 440-751

Proform Stamped Steel Mopar Valve Covers 440-751

Proform Stamped Steel Mopar Valve Covers 440-751

Valve Covers, Steel, Black Crinkle, Mopar Logo, Mopar, Small Block LA, Pair

Part Number: PRO-440-751

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-928

Proform GM Licensed Slant Edge Valve Covers 141-928

Proform GM Licensed Slant Edge Valve Covers 141-928

Valve Covers, Cast Aluminum, Black, Slant-Edge, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-928

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Stamped Steel Chevrolet Valve Covers 141-751

Proform Stamped Steel Chevrolet Valve Covers 141-751

Proform Stamped Steel Chevrolet Valve Covers 141-751

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

Part Number: PRO-141-751

4.55 out of 5 stars ( 29 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-870

Proform GM Licensed Slant Edge Valve Covers 141-870

Proform GM Licensed Slant Edge Valve Covers 141-870

Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Textured Black Powdercoated, Chevrolet Logo Top Style, Chevrolet, Big Block, Pair

Part Number: PRO-141-870

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-925

Proform GM Licensed Slant Edge Valve Covers 141-925

Proform GM Licensed Slant Edge Valve Covers 141-925

Valve Covers, Aluminum, Gray Crinkle, Tall, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-925

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-876

Proform GM Licensed Slant Edge Valve Covers 141-876

Proform GM Licensed Slant Edge Valve Covers 141-876

Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Textured Black Powdercoated, Chevrolet Logo Top Style, Chevrolet, Big Block, Pair

Part Number: PRO-141-876

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-875

Proform GM Licensed Slant Edge Valve Covers 141-875

Proform GM Licensed Slant Edge Valve Covers 141-875

Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Polished, Chevrolet Logo Top Style, Chevrolet, Big Block, Pair

Part Number: PRO-141-875

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Slant Edge Valve Covers 141-868

Proform GM Licensed Slant Edge Valve Covers 141-868

Proform GM Licensed Slant Edge Valve Covers 141-868

Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Gloss Black Powdercoated, Chevrolet Logo Top Style, Chevrolet, Big Block, Pair

Part Number: PRO-141-868

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Diecast Aluminum Valve Covers 141-262

Proform Slant Edge Diecast Aluminum Valve Covers 141-262

Proform Slant Edge Diecast Aluminum Valve Covers 141-262

Valve Covers, Cast Aluminum, Black Crinkle, Chevrolet Logo, Chevy, Small Block, LS, Pair

Part Number: PRO-141-262

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Stamped Steel Chevrolet Valve Covers 141-784

Proform Stamped Steel Chevrolet Valve Covers 141-784

Proform Stamped Steel Chevrolet Valve Covers 141-784

Valve Covers, Tall, Steel, Orange Painted, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-784

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-108

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-108

Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-108

Valve Covers, Tall, Cast Aluminum, Polished, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-108

4.49 out of 5 stars ( 47 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

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