1981 CHEVROLET K20 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Summit Racing™ Stock Replacement Oil Pans SUM-G3532

Oil Pan, Steel, Gold Zinc, 5 qt., Chevy, Small Block, Each

Part Number: SUM-G3532

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

King HP-Series Main Bearings MB 557HP 020

Main Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP020

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cloyes Replacement Timing Chains 9-130-10

Timing Chain, Replacement, Double Roller, Ford/Chevy, Small Block, Align Bored Block, Each

Part Number: CLO-9-130-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power MA Series Main Bearings 4124MA

Main Bearing Set;

Part Number: SLP-4124MA

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cloyes Quick Button Two-Piece Timing Cover Replacement Plates 9-221B

Cloyes Quick Button Two-Piece Timing Cover Replacement Plates 9-221B

Replacement Plate for kits: 9-221, 9-227, 9-231, Each

Part Number: CLO-9-221B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Derale Temperature Controlled Sandwich Adapter Kits 15720

Adapter, Oil Filter, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, 1/2 in. NPT Inlet/Outlet, Each

Part Number: DER-15720

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Clevite P-Series Main Bearings MS-617P-10

Main Bearings, P Series, 1/2 Groove, 0.010 in. Crankshaft Undersize, TM-77, Chevy, GMC, 194, 230, 250, 292, Set

Part Number: CLE-MS617P10

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

MSD Timing Pointers 89881

Billet Timing Pointer Small Block Chevy, Fits 6-3/8 in. Balancer, Each

Part Number: MSD-89881

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Hastings Piston Ring Sets C5532

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-C5532

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

King XP-Series Main Bearings MB 557XP 011

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Alternator Brackets 886

Alternator Bracket, Billet Aluminum, Polished, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: PWM-886

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cloyes Street Billet True Roller Timing Sets 9-3500WX9

Timing Chain and Gear Set, Billet, Double Roller, Billet Steel Sprockets, Chevy, V6/V8, Set

Part Number: CLO-9-3500WX9

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Clevite Camshaft Bearings SH-1796S

Cam Bearings, High Performance/Race, AL-3 Steel Backed Aluminum, Chevy, Small Block, Large Journal, Align Bored

Part Number: CLE-SH1796S

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Perma-Cool Oil Filter Relocation Kits 10695

Oil Filter Relocation Kit, Single Filter, 96 in. Length Hoses, Kit

Part Number: PRM-10695

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

King HP-Series Rod Bearings CR 807HPN010X

Rod Bearings, HP-Series, .010 in. Narrow, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN010X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

MSD Timing Pointers 8988

Billet Timing Pointer Small Block Chevy, Fits 6-1/4 in. Balancer, Each

Part Number: MSD-8988

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power Chrome Piston Ring Sets E-251KC

Piston Rings, Chrome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251KC

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Hastings Piston Ring Sets 2M139010

Piston Rings, Plasma-moly, 4.010 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139010

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cloyes Replacement Timing Chains 9-131-5

Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.005 in. Reduced Center, Each

Part Number: CLO-9-131-5

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Hastings Premium Ductile Ring Sets 2C139030

Piston Rings, Premium Ductile Ring Sets, Chrome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-cylinder, Set

Part Number: HSN-2C139030

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cloyes Street Billet True Roller Timing Sets 9-3546TX9

Timing Chain and Gears, Double Roller, Billet Steel Sprockets, Chevy SBC, Dart, Race Blocks, Rocket, Set

Part Number: CLO-9-3546TX9

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Clevite H-Series Main Bearings MS-909H-21

MAIN BEARING SET

Part Number: CLE-MS909H21

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

King HP-Series Rod Bearings CR 807HPN 011

Rod Bearings, HP-Series, .011 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN011

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Melling Timing Gears 2528S

Timing Gears, Aluminum Cam Sprocket, Steel Crank Sprocket, Chevy, GMC, 250, 292, Set

Part Number: MEL-2528S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Perma-Cool Sandwich Oil Adapters 185

Adapter, Oil Filter, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, 3/8 in. NPT Inlet/Outlet, Each

Part Number: PRM-185

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air