1980 GMC | Summit Racing

USA Standard Gear ZG Series Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

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Brothers Trucks Custom Steering Wheels STRF8BB174-91

Steering Wheels, Custom, 3-spoke, Black Vinyl Grip, Black Aluminum Spokes, Horn Button, 14 in. Diameter, Chevrolet, GMC, Each

Part Number: HCT-STRF8BB17491

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American Racing VN615 Torq-Thrust II Chrome Wheels 15x8

Wheel, VN615 Torq-Thrust II, Aluminum, Chrome, 15 x 8 in., 5 x 4.75 in. Bolt Circle, 3.790 in. Backspace, Each

Part Number: ARE-VN6155861

4.8 out of 5 stars ( 5 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM14T-411 GM 10.5 in. (14-bolt) 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 30 Spline, 10.500 in. Ring Gear, GM 14 Bolt, Set

Part Number: YGA-24135

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Brothers Trucks Headliners 05-325

Headliner, Cloth, Black, Chevy, GMC, Each

Part Number: HCT-05-325

3.0 out of 5 stars ( 2 )

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Lares New Steering Gears 11263

Steering Boxes, New Steering Gears, Power Assist, Cast Iron, Natural, Chevrolet, GMC, Each

Part Number: LSC-11263

3.33 out of 5 stars ( 3 )

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TCI PRO-X TH400 Aluminum Tailhousings 226405

TCI PRO-X TH400 Aluminum Tailhousings 226405

Tailshaft Housing, Aluminum, GM, TH400, Each

Part Number: TCI-226405

5.0 out of 5 stars ( 4 )

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The Right Stuff Vacuum Pumps, Street EVP21

Quiet Electric Vacuum Pump, Pre Wired w/ Separate Vacuum Canister

Part Number: RSD-EVP21

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

B&M 12 Bolt GM 8.875 Inch Differential Cover 71504

Differential Cover, Rear, 12-bolt, Aluminum, Black Anodized, GM 8.875 in. Truck, Each

Part Number: BMM-71504

2.33 out of 5 stars ( 3 )

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Tuff Stuff Performance Mini Alternators 7937APST

Alternator, Performance, Mini, High Amp, GM CS121 Case Style, 12 V, 120 Amps, Polished, V-Belt Pulley, Each

Part Number: TFF-7937APST

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Summit Racing™ Frame Shortening Kit for 1973-1987 Chevy/GMC C-Series Trucks SUM-770827

Frame Shortening Kit, Steel, 1973-87 Chevy/GMC C-Series Truck , Kit

Part Number: SUM-770827

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Yukon Gear & Axle 14 Bolt GM 10.5 Inch Differential Cover YHCC-GM14T-S

Differential Cover, 14-bolt, Nodular Iron, Black Powdercoated, GM 10.5 in. (14-bolt), Chevrolet, GMC, Each

Part Number: YGA-29105

5.0 out of 5 stars ( 1 )

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OER Authorized Reproduction Dash Pads 14009488

Dash Pad, Urethane, Buckskin, Chevy, GMC, Each

Part Number: OER-14009488

4.5 out of 5 stars ( 2 )

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Motive Gear Performance Ring and Pinion Sets G885430 GM 8.5/8.6 in. 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

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OER Authorized Truck Bed Floors T70245

Truck Bed Floor, Steel, Black, Pre-drilled, Fleetside/Styleside, Short Bed, Chevrolet, GMC, Each

Part Number: OER-T70245

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 31, 2026 if ordered today

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Estimated Ship Date: Jul 31, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Auto Metal Direct Wider Tub Truck Bed Floors 790-4073-64S

5 out of 5 stars ( 1 )

Estimated Ship Date: Jun 17, 2026

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Melling Shark Tooth Oil Pumps 10050ST-750SS

Oil Pump, Shark Tooth, High-volume, Standard-pressure, Driveshaft, 7.500 in. Pan Depth, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-10050ST750SS

3.67 out of 5 stars ( 3 )

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KB Performance Claimer Pistons 9902HC.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9902HC-040

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-456 GM 9.5 in. 4.56 Gears

Ring & Pinion Gear, 4.56 Ratio, GM, 9.5 in., 14-Bolt, Rear, Set

Part Number: YGA-24168

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Tuff Stuff Performance Master Cylinder and Brake Booster Combos 2132NA

Booster Master Cylinder Combo, Cast Iron, Chrome, 11 in. Diameter, Chevy, GMC, Each

Part Number: TFF-2132NA

5.0 out of 5 stars ( 1 )

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B&M 12 Bolt GM 8.875 Inch Differential Cover 70504

Differential Cover, Rear, 12-bolt, Aluminum, Natural, GM 8.875 in. Truck, Each

Part Number: BMM-70504

4.9 out of 5 stars ( 10 )

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PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350715

Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.5 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350715

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Isky Solid Lifters SO202H

Lifters, Mechanical Flat Tappet, Chevy, Set of 16

Part Number: ISK-SO202H

5.0 out of 5 stars ( 1 )

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RAM Billet Steel 153-Tooth Flywheel 1515

Flywheel, Billet Steel, 153-Tooth, External Engine Balance, 26.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1515

5.0 out of 5 stars ( 2 )

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Yukon Gear & Axle Master Overhaul Kits YK GM8.5-F

Ring and Pinion Installation Kit, GM 8.5 in., (truck,front), Kit

Part Number: YGA-14087

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Lares Remanufactured Steering Gears 1262

Steering Box, Power Assist, Chevy, GMC, Each

Part Number: LSC-1262

3.5 out of 5 stars ( 2 )

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1980 GMC Parts and Accessories