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

Proform Harmonic Balancer Covers 141-726

Harmonic Balancer Cover, Aluminum, Chrome, 8 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-726

5.0 out of 5 stars ( 2 )

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PRW Pro Series Billet Aluminum Rocker Arms 6532712

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1955-86, 1.6 x 7/16"

Part Number: PQX-6532712

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

PRW Pro Series Billet Aluminum Rocker Arms 6535009

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1955-86, 1.5 x 7/16", Super Duty

Part Number: PQX-6535009

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

PRW Billet Steel Main Caps 1735001

Main Caps, Billet Steel, Chevy 305/350, 1967-1986, 4 Bolt Replacement Style, Sold as a Set of 3

Part Number: PQX-1735001

5.0 out of 5 stars ( 1 )

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Mahle Original Aftermarket Replacement Pistons 224-3547.030

Piston - GM 5.7L (350) V8 FLATTOP COAT (030) W/P aftermarket version

Part Number: MAH-2243547030

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Mr. Gasket Alternator Brackets 9850

Alternator Bracket, F-Style, Chrome Plated, Each

Part Number: MRG-9850

5.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs 555-030

Freeze Plugs, Steel, 1.625 in. Diameter, AMC, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Jeep, Set of 10

Part Number: RNB-555-030

4.0 out of 5 stars ( 4 )

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King SI-Series Main Bearings MB 557SISTDX

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

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Dorman Oil Pan Drain Plugs 090-052

Oil Pan Drain Plugs, 1/2-20 in. Thread, Seal, Set of 5

Part Number: RNB-090-052

5.0 out of 5 stars ( 1 )

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Sealed Power A-Series Rod Bearings 8-2555A 1

Sealed Power A-Series Rod Bearings 8-2555A 1

Rod Bearings, 0.001 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Checker, Chevy, Pontiac, Hummer, V8, Set of 8

Part Number: SLP-8-2555A1

Not Yet Reviewed

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Melling Select Billet Aluminum Oil Pumps 10050ST-700CT

Oil Pump, Select Billet Aluminum, Wet Sump Style, High-volume, Standard-pressure, 7.00 in. Depth, Buick, Chevy, GMC, Olds, Chevy Small Block, Each

Part Number: MEL-10050ST700CT

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Melling M-Select Class 2 Camshafts 22237

Camshaft, Retro Fit, Hydraulic Roller, 284/296 Advertised Duration, 0.470 in./0.490 in. Lift, 112 LSA, 3-Bolt, Non-Roller Blocks, Chevy, Gen I, Each

Part Number: MEL-22237

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

PRW Billet Steel Timing Sets 5035021

Timing Chain and Gear Set, Roller, Double Roller, Billet Steel Sprockets, Chevy, Small Block, Set

Part Number: PQX-5035021

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Sealed Power Cam Bearings 1235M 1

Cam Bearings, Direct Replacement, Steel Backed Babbit, 0.001 in. Oversize, Chevy, Small block, Set

Part Number: SLP-1235M1

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PRW Dual Gear Drive Timing Sets 5135022

GEAR DRIVE, DUAL IDLER, CHEV 262-400 1955-95 (Exc Factory Roller Cam), Quiet, Made in USA

Part Number: PQX-5135022

Not Yet Reviewed

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Cloyes Replacement Timing Chains 9-145

Replacement Timing Chain, Billet, StreetTrue Roller, Chevy/Ford, Small Block, Chain Only, Each

Part Number: CLO-9-145

5.0 out of 5 stars ( 1 )

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Dorman Timing Covers 635-510

Timing Cover, One-piece, Steel, Black, Chevy, GMC, Small Block, Each

Part Number: RNB-635-510

5.0 out of 5 stars ( 3 )

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COMP Cams Nostalgia Plus Camshafts 12-670-4

Camshaft, Hydraulic Flat Tappet, Advertised Duration 258/265, Lift .426/.420, Chevy, Small Block, Each

Part Number: CCA-12-670-4

5.0 out of 5 stars ( 2 )

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COMP Cams Xtreme Energy Camshafts 12-230-2

Camshaft, Hydraulic Flat Tappet, Advertised Duration 250/260, Lift .432/.444, Chevy, Small Block, Each

Part Number: CCA-12-230-2

Not Yet Reviewed

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VEGE Remanufactured Long Block Crate Engines VC111P

Crate Engine, Remanufactured, Long Block, Buick, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, 5.7L/350, Each

Part Number: VRE-VC111P

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Edelbrock Classic Cast Aluminum Valve Covers 41453

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

Part Number: EDL-41453

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Edelbrock Elite II Series Valve Covers 4262

4.75 out of 5 stars ( 72 )

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Proform Timing Tabs 66121

Timing Pointer, Steel, Chrome, 8 in. Balancer, Chevy, Small Block, Each

Part Number: PRO-66121

2.5 out of 5 stars ( 2 )

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ATI Super Damper Standard Harmonic Balancers ATI917782

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

Part Number: ATI-917782

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

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Fluidampr Harmonic Dampers 720101

5 out of 5 stars ( 7 )

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

MAIN BEARING SET

Part Number: CLE-MS909H21

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Dayco High Performance V-Belts 15525

Accessory Belts, V-Belts, V-groove, 0.440 in. Width, 52.50 in. Length, AMC, Buick, Chevy, Chrysler, Ford, GMC, International, Mercury, Each

Part Number: DAC-15525

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