1981 CHEVROLET K20 - In Stock Filter Options - Vendor In Stock Filter Options Parts & Accessories

Hastings Premium Ductile Ring Sets 2M8542040

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8542040

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Brothers Trucks Door Panel Inserts 05-383

Door Panel Inserts, Cloth, Charcoal, Adhesive, Velcro, Chevy, GMC, Pair

Part Number: HCT-05-383

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Motive Gear Differential Bearing Kits R14R

Ring and Pinion Bearing Kit; Bearing Kit; GM 10.5 in. 1st Design; Incl. F/R Pinion-Carrier-Pilot Bearings/Pini

Part Number: MGR-R14R

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Cometic MLS Head Gaskets C5248-095

Cometic MLS Head Gaskets C5248-095

Head Gasket, MLS, 4.165 in. Bore, .095 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-095

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5246-092

Head Gasket, MLS, 4.100 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-092

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5273-086

Head Gasket, MLS, 4.200 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-086

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5248-086

Head Gasket, MLS, 4.165 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-086

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5400-092

.092" MLS-5 ALL 12-23 DEG HEAD

Part Number: CGT-C5400-092

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5246-086

Head Gasket, MLS, 4.100 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-086

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5269-077

Head Gasket, MLS, 4.060 in. Bore, .077 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-077

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5402-080

Head Gasket, MLS, 4.160 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5402-080

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cloyes Race Billet True Roller Timing Sets 9-3600WX9

Timing Chain and Gears, Double Roller, Billet Steel Sprockets, Chevy, Set

Part Number: CLO-9-3600WX9

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

The Right Stuff Brake Line Sets TKT8104S

Brake Lines, Stainless Steel, Front, GMC, Set of 4

Part Number: RSD-TKT8104S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

SCE Pro Copper Head Gaskets P111593

Head Gasket, Copper, 4.155 in. Bore, 0.093 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111593

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

SCE Titan Copper Head Gaskets T112050

Head Gaskets, Titan, Copper, 4.200 in. Bore, .050 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: SCE-T112050

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Mr. Gasket Billet Style Aluminum Crankshaft Pulleys 5317

Crankshaft Pulley, V-Belt, 2-Groove, Aluminum, Polished, Chevy, Small Block, Long Pump, Each

Part Number: MRG-5317

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Crankshaft Pulleys SUM-G3966

4.75 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/23/2026

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Cometic MLS Head Gaskets C5474-066

Head Gasket, MLS, 4.080 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-066

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5474-075

Head Gasket, MLS, 4.080 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-075

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5245-050

Head Gasket, MLS, 4.060 in. Bore, .050 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-050

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5249-056

Head Gasket, MLS, 4.200 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-056

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5400-075

Head Gasket, MLS, 4.125 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5400-075

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5403-060

Head Gasket, MLS, 4.200 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-060

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5403-075

Head Gasket, MLS, 4.200 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-075

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5273-066

Head Gasket, MLS, 4.200 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-066

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic MLS Head Gaskets C5272-060

Head Gasket, MLS, 4.165 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5272-060

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

1981 CHEVROLET K20 Parts and Accessories