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

ATI Super Damper Standard Harmonic Balancers ATI917221

Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Chevy, Small Block/2.5L, L4, Each

Part Number: ATI-917221

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Fram Defense Oil Filters DL5

Oil Filter, Defense, Canister Style, Each

Part Number: FRM-DL5

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Melling Engine Expansion Plug Kits MPE-104BR

Melling Engine Expansion Plug Kits MPE-104BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-104BR

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Pro Series Billet Aluminum Rocker Arms 6532704

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1955-86, 1.6 x 3/8"

Part Number: PQX-6532704

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Trans-Dapt Performance Oil Filter Bypass Adapter Base Gaskets 1035

Base Gasket for Bypass Adapter #1017 and #1018

Part Number: TRD-1035

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Fel-Pro Oil Pump Shaft Guides 72665

Oil Pump Driveshaft Locking Sleeves, Nylon, Buick, Chevrolet, Cadillac, GMC, Oldsmobile, Pontiac, Checker, Studebaker, V6/V8, Each

Part Number: FEL-72665

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Melling Valve Springs VSK46672

VALVE SPRING KIT

Part Number: MEL-VSK46672

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Pioneer Automotive Connecting Rod Bolts S-1035

CONN ROD BOLTS

Part Number: PIO-S-1035

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Dorman Axle Keys 615-140

Spindle Nut Keys, Steel, Pair

Part Number: RNB-615-140

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

King SI-Series Rod Bearings CR 865SI 040

Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI040

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Cloyes Replacement Timing Chains 9-131-10

Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.010 in. Reduced Center, Each

Part Number: CLO-9-131-10

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

King HP-Series Rod Bearings CR 807HPND 011

Rod Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND011

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

COMP Cams Nitrous HP Camshafts 12-564-4

Camshaft, Hydraulic Flat Tappet, Advertised Duration 274/292, Lift .487/.501, Chevy, Small Block, Each

Part Number: CCA-12-564-4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Classic SBC Camshaft SUM-1107

4.5 out of 5 stars ( 22 )

Estimated Ship Date: Friday 1/2/2026

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Moroso Street/Strip Oil Pans 20165

Oil Pan, 7 qt., Chevy, Small Block, Steel, Black Powdercoated, Each

Part Number: MOR-20165

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Moroso Street/Strip Oil Pans 20171

4 out of 5 stars ( 10 )

Estimated Ship Date: Friday 1/2/2026

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King HP-Series Main Bearings MB 557HP 011

Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

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

Cloyes Hex-A-Just Z-Racing Timing Sets 9-3146BZ

Timing Chain and Gear Set, Z-Racing Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, 350, 5.7L, GM Race Block, Set

Part Number: CLO-9-3146BZ

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Flex-A-Lite Oil Filter Sandwich Adapters 108595

Adapter, Oil Filter, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, Each

Part Number: FLX-108595

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Cloyes Hex-A-Just Z-Racing Timing Sets 9-3100BZ

Timing Chain and Gear Set, Z-Racing Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, Small Block, BBC Crank Snout, Set

Part Number: CLO-9-3100BZ

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3547.060

Piston - GM 5.7L (350) V8 FLATTOP COAT (060) W/P AFTERMARKET VERSION

Part Number: MAH-2243547060

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Trans-Dapt Performance Slam-Guard Oil Pans 8650

80-85 SB CHEVY SLAMGUARD OIL PAN- ASPHALT BLACK POWDERCOAT

Part Number: TRD-8650

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Cloyes Replacement Timing Chains 9-131

Replacement Timing Chain, True Roller, Chevy, Pontiac, Each

Part Number: CLO-9-131

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3547.040

Piston - GM 5.7L (350) V8 FLATTOP COAT (040) W/P AFTERMARKET VERSION

Part Number: MAH-2243547040

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

ACDelco Crankcase Breather Filters 19112815

Crankcase Breather Filter, Plastic, White, Each

Part Number: ADO-A2986C

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Denso Oil Filters 150-2056

Oil Filter, 13/16-16 in. Thread, 4.488 in. Height, Each

Part Number: DNP-150-2056

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Pushrod Guideplates (PowerPlus+) 1135000

Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevrolet, Set of 8

Part Number: PQX-1135000

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today