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

COMP Cams Magnum Retrofit Camshafts 12-460-8

COMP Cams Magnum Retrofit Camshafts 12-460-8

Camshaft, Hydraulic Roller Tappet, Advertised Duration 304/304, Lift .600/.600, Chevy, Small Block, Each

Part Number: CCA-12-460-8

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

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 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Proform Harmonic Balancer Covers 141-725

Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-725

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Continental OE Technology Series V-belts 13465

Belt, Elite, V-Belt, 3/8 in. Width, 46.50 in. Length, Each

Part Number: CEL-13465

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Dorman Expansion Plugs 555-049

Engine Expansion Plugs, Steel, 2.094 in. O.D., 0.280 in. Depth, Set of 10

Part Number: RNB-555-049

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Melling High-Pressure Oil Pump Springs 55058

Oil Pump Springs, 58 psi, Steel, Yellow, Pins, Chevy, Small Block, Kit

Part Number: MEL-55058

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

ACDelco V-Ribbed Accessory Belts 88934332

Accessory Belts, V-Ribbed, V-groove, 0.410 in. Width, 45.33 in. Length, Buick, Cadillac, Chevy, Dodge, Edsel, Ford, GMC, Mercury, Olds, Pontiac, Each

Part Number: ADO-15448

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Sportsman Steel Roller Tip Rocker Arms 68350716

Rocker Arms, Sportsman Series, Stud Mount, Roller Tip, 1.6 Ratio, Fits 7/16 in. Stud, With Oil Deflector, Chevy, Small Block, Set of 16

Part Number: PQX-68350716

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

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: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Mr. Gasket Crankshaft Keys 983G

Crankshaft Key, Long, Chevy, Chrysler, Dodge, Plymouth, Each

Part Number: MRG-983G

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Dayco High Performance V-Belts 15465

Accessory Belt, V-Belt, V-groove, 0.440 in. Width, 46.50 in. Length, Each

Part Number: DAC-15465

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Fabricated Valve Covers 4035000

Valve Covers, Tall, Perimeter Bolt Mounting, Fabricated Aluminum, Silver Anodized, Vent Holes, Chevy, Small Block, Pair

Part Number: PQX-4035000

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

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 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Billet Rocker Arm Stud Girdles 1535000

Rocker Arm Stud Girdle, Clamp-On, Polylock, Aluminum, Natural, Chevrolet, Stock Heads, Kit

Part Number: PQX-1535000

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Perma-Cool Oil Filter Relocation Kits 10795

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

Part Number: PRM-10795

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

PRW Elite Series SFI-Rated Racing FluidGel Dampers 2535001

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

Part Number: PQX-2535001

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Proform Harmonic Balancer Covers 66517BKC

Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66517BKC

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Melling Valve Springs VS-739R

Valve Springs, Single, 1.253 in. Diameter, 104-116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Each

Part Number: MEL-VS-739R

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3646TX9Z

Timing Chain and Gear Set, Double Roller, Billet Sprockets, Chevy SBC, Race Blocks, Rocket, Set

Part Number: CLO-9-3646TX9Z

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hastings Premium Ductile Ring Sets 2M139S040

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M139S040

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

BluePrint Engines 50 State Legal Long Blocks G3508088

BluePrint Engines 50 State Legal replacement 350CI 1980-1988 Crate Engine

Part Number: MLL-G3508088

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Canton Racing Chevy Block Mounted Dipsticks 20-842

Oil Dipstick

Part Number: CTR-20-842

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Cloyes Original Race True Roller Timing Sets 9-3100-10

Timing Chain and Gear Set, Original True Roller, Double Roller, -0.010 in., Iron/Steel Sprockets, Chevy, Small Block, Set

Part Number: CLO-9-3100-10

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

COMP Cams Xtreme Fuel Injection Cam and Lifter Kits SK12-367-4

Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 280/290, Lift .552/.547, Chevy, Small Block, Kit

Part Number: CCA-SK12-367-4

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026