1981 CHEVROLET K20 Engines & Components

Valve Covers, Aluminum, Gray with Red and Blue Logo, Tall, Chevy, Small Block, Pair

Part Number: PRO-141-923

5.0 out of 5 stars ( 4 )

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Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 262/270, Lift .462/.469, Chevy Small Block

Part Number: CCA-K12-238-2

4.73 out of 5 stars ( 11 )

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Harmonic Balancer, PQx FluidGel, Internal Balance, Black, Chevy, Small Block, Each

Part Number: PQX-2535001

1.0 out of 5 stars ( 1 )

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Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 262/270, Lift .464/.470, Chevy, Small Block, Kit

Part Number: CCA-CL12-262-4

3.67 out of 5 stars ( 3 )

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Valve Covers, Classic, Stock Height, Aluminum, Polished, Finned, Edelbrock Logo, Small Block Chevy, Pair

Part Number: EDL-4145

3.67 out of 5 stars ( 3 )

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, GM, with Chevy Small Block, Pontiac 2.5L

Part Number: ATI-917200

5.0 out of 5 stars ( 1 )

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Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.5 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350715

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OIL PUMP

Part Number: MEL-10055ST750SS

1.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, Dome, 4.000 in. Bore, Chevy, Set of 8

Part Number: SLP-H618CP

5.0 out of 5 stars ( 1 )

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Black, Chevy Small Block, Pontiac 2.5L

Part Number: ATI-917480

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Camshaft, Mechanical Flat Tappet, Advertised Duration 285/295, Lift .532/.555, Chevy, Small Block, Each

Part Number: CCA-12-609-5

5.0 out of 5 stars ( 7 )

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Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.65 Split Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350765

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 319/320, Lift .390/.410, Chevy, Small Block, Each

Part Number: CCA-12-105-3

4.0 out of 5 stars ( 2 )

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Valve Covers, Classic Series, Stock Height, Aluminum, Black, Finned, Edelbrock Logo, Chevy, Small Block, Pair

Part Number: EDL-41453

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 294/306, Lift .519/.523, Chevy, Small Block, Each

Part Number: CCA-12-254-3

5.0 out of 5 stars ( 1 )

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Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.55 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-0235011

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Engine Dress-Up Kit, Shark Gray, Red Chevrolet Logo, Tall Valve Covers, Valve Cover Wing Nuts, Hold-Down Tabs, Timing Cover, Air Cleaner, Kit

Part Number: PRO-141-880

5.0 out of 5 stars ( 1 )

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Camshaft, Mechanical Flat Tappet, Advertised Duration 278/284, Lift .531/.525, Chevy, Small Block, Each

Part Number: CCA-12-651-5

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Cam and Lifters, Mechanical Flat Tappet, Advertised Duration 294/294, Lift .525/.525, Chevy, Small Block, Kit

Part Number: CCA-CL12-224-4

5.0 out of 5 stars ( 1 )

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Camshaft, Hydraulic Roller Tappet, 265/274 Advertised Duration, .470/.490 in. Lift, Chevy, Small Block, Each

Part Number: MEL-22135

5.0 out of 5 stars ( 2 )

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Valve Covers, Slant-Edge, Tall, Perimeter Bolt Mounting Style, Green, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-933

5.0 out of 5 stars ( 1 )

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Oil Pump, Shark Tooth, High-Volume, Pickup, Driveshaft, 7.50 in. Pan Depth, Chevrolet, Small Block Gen I, Each

Part Number: MEL-10050ST750SS

3.67 out of 5 stars ( 3 )

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542030

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

Part Number: PRO-141-117

4.78 out of 5 stars ( 9 )

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Oil Pan, Drag Race, Steel, 5 qt., Rear Sump, Chevy, Small Block, Each

Part Number: CTR-13-082

3.0 out of 5 stars ( 2 )

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