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

USA Standard Gear Ring and Pinion Sets ZG GM14T-488T GM 10.5 in. (14-bolt) 4.88 Gears

USA Standard Ring & Pinion "thick" gear set for 10.5" GM 14 bolt truck in a 4.88 ratio

Part Number: SPZ-36186

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

COMP Cams Nostalgia Plus Cam and Lifter Kits SK12-670-4

COMP Cams Nostalgia Plus Cam and Lifter Kits SK12-670-4

Cam, Lifters, Timing, Hydraulic Flat Tappet, Advertised Duration 258/265, Lift .426/.420, Chevy, Kit

Part Number: CCA-SK12-670-4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

PerTronix Flame-Thrower Race HEI Distributors D71070

PerTronix D71070 Flame-Thrower Race Distributor HEI III Chevrolet Small Block/Big Block Black Cap with multipl

Part Number: PNX-D71070

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

PerTronix Flame-Thrower Plug and Play Billet Distributors with Ignitor III® Module D7100801

Distributor, Plug and Play, Hall Effect Pickup, Mechanical Advance, Red Cap, Chevy, Big/Small Block, Each

Part Number: PNX-D7100801

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

PerTronix Flame-Thrower Plug and Play Billet Distributors with Ignitor II® Module D106810

Distributor, Plug and Play, Hall Effect Pickup, Mechanical Advance, Black Cap, Chevy, 194, 230, 250, 292, Each

Part Number: PNX-D106810

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Brothers Trucks Aluminum Radiators ALR87C4

Radiators, Crossflow, 4-row, Aluminum, Natural, Upper Left Side Inlet, Transmission Cooler, Chevrolet, GMC, Each

Part Number: HCT-ALR87C4

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

Brothers Trucks Seat Belts BELTKT6-1BK

Seat Belts, Shoulder and Lap Belt Type, Black, Fits Models Equipped with A Bench Front Seat, Chevrolet, GMC, Pair

Part Number: HCT-BELTKT6-1BK

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Brothers Trucks Seat Upholstery 05-306

Seat Upholstery, Bench Type, Vinyl, Maroon, Madrid Grain, Chevrolet, GMC, Each

Part Number: HCT-05-306

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Brothers Trucks Seat Upholstery 05-298

PLEAT, 1981-87 C/K FULL PLT SEAT VINYL/CLTH TAN

Part Number: HCT-05-298

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM14T-411 GM 10.5 in. (14-bolt) 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36183

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

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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

14 Inch 2,600 CFM Mishimoto Electric Fan and Shroud Kit MMFS-CK-78K

Fans, Electric, Dual, 14 in. Diameter, 2,600 CFM, Fan Controller Included, Aluminum Shroud, Natural, Chevy, GMC, Kit

Part Number: MIO-MMFS-CK-78K

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Eddie Motorsports Billet Exterior Door Handles MS277-80MB

Door Handles, Exterior, Smooth Design, Billet Aluminum, Matte Black Powdercoated, Chevy, GMC, Pair

Part Number: EMS-MS277-80MB

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

The Right Stuff Master Cylinder and Booster Assemblies G17320572

Master Cylinder and Brake Booster Assembly, Dual Bowl Design, 1.250 in. Bore, Iron Master Cylinder and Reservoir, Steel Booster, Chevrolet, GMC, Kit

Part Number: RSD-G17320572

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Hurst Ring and Pinion Sets 02-128 GM 8.875 in. (12-bolt) truck 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-128

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

PRW Billet Steel 153-Tooth Flywheel 1626500

Flywheel, PQx, Billet Steel, 153-tooth, 18.000 lbs., SFI 1.1, Neutral Engine Balance, for Circle Track Racing, Chevy, Small Block, Each

Part Number: PQX-1626500

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

SafeTBoy 3-Point Retractable Push Button Buckle Lap Belts STBD326E

Seat Belts, Chevy Truck 1973 - 1987 Standard 3pt Tan Retractable Bench Seat Belt Kit w/ Bracketry - 3 Belts

Part Number: SAO-684020

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

SafeTBoy 3-Point Retractable Airplane Buckle Lap Belts STBD3B84

Seat Belts, Chevy Truck 1973 - 1987 Airplane 3pt Burgandy Retractable Bench Seat Belt Kit w/ Bracketry - 3 Belts

Part Number: SAO-686344

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

SafeTBoy 3-Point Retractable Push Button Buckle Lap Belts STBD33A1

Seat Belts, Chevy Truck 1973 - 1987 Standard 3pt Red Retractable Bench Seat Belt Kit w/ Bracketry - 3 Belts

Part Number: SAO-684327

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

SafeTBoy 3-Point Retractable Airplane Buckle Lap Belts STBD372A

Seat Belts, Chevy Truck 1973 - 1987 Airplane 3pt Tan Retractable Bench Seat Belt Kit w/ Bracketry - 3 Belts

Part Number: SAO-685231

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM95373 GM 9.5 in. 3.73 Gears

Ring and Pinion Kit

Part Number: RMG-GM95373

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

Coverlay Manufacturing Door Panels 18-35N-LGR

Door Panels, Full Door, Plastic, Light Gray, Front, Chevrolet, GMC, Pair

Part Number: CVY-18-35N-LGR

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

Coverlay Manufacturing Door Panels 18-35N-SGR

Door Panels, Full Door, Plastic, Slate Gray, Front, Chevrolet, GMC, Pair

Part Number: CVY-18-35N-SGR

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

Coverlay Manufacturing Door Panels 18-35F-LBR

Door Panels, Full Door, Plastic, Light Brown, Front, Chevrolet, GMC, Pair

Part Number: CVY-18-35F-LBR

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

Coverlay Manufacturing Door Panels 18-35F-LBL

Door Panels, Full Door, Plastic, Light Blue, Front, Chevrolet, GMC, Pair

Part Number: CVY-18-35F-LBL

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

1981 CHEVROLET K20 Parts and Accessories