1985 GMC | Summit Racing

Silv-O-Lite Cast Pistons S1478C.1.5MM

Piston, Cast, Flat, 90.5mm Bore, 1.5mm, 21.0mm, 4.75mm Ring Grooves, GM, Isuzu, V6, Each

Part Number: UEM-S1478C-1-5MM

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S1479H.020

Piston, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1479H-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1463C.75MM

Piston, Cast, Flat, 89.75mm Bore, 1.5mm, 2.0mm, 4.75mm Ring Grooves, GM, Jeep, V6, Each

Part Number: UEM-S1463C-75MM

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1449.030

Piston, Cast, Dish, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1449-030

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1449.020

Piston, Cast, Dish, 3.756 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1449-020

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

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Zumbrota Remanufactured Axle Assemblies for 1985-1989 ASTRO, SAFARI - RAA435-2111E-P

Axle Assembly, Remanufactured, Limited Slip, 2.73:1 Ratio, Each

Part Number: ZUD-RAA4352111EP

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Zumbrota Drivetrain Axle Assemblies RAA435-1249DE

Reman Axle Assy, GM 10 Bolt 8.5 In., 3.42 Ratio, w/o Posi Traction

Part Number: ZUD-S0035

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Zumbrota Drivetrain Axle Assemblies RAA435-1215DE-P

Rear Axle Assembly

Part Number: ZUD-S0198

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Billet Specialties Redline LT Series Drag Pack Black Beadlock Wheels 15x10

Wheel, Redline LT, Aluminum, Forged, Black Powdercoated, Single Beadlock, 15 in. x 10 in., 5 x 5.00 in. Bolt Circle, 5.50 in. Backspace, Each

Part Number: BSP-S1992

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Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

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Roadster Shop SPEC Chassis Kits SP7387C10SLC

Roadster Shop SPEC Chassis Kits SP7387C10SLC

Complete Chassis Kit, Full Chassis, SPEC, Slammed, Coilover Suspension, IFS, Ford 9 in. Axle, Chevy, C10, Kit

Part Number: RSR-SP7387C10SLC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 14, 2026 if ordered today

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Estimated Ship Date: Oct 14, 2026 if ordered today

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Classic Performance Tubular Control Arms 6372TCA-LAB

Control Arms, Totally Tubular, Front Lower, Steel, Chevy, GMC, Pair

Part Number: CLP-6372TCA-LAB

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Brothers Trucks Air Conditioning Kits BT8700A

81-87 CHVY A/C SYSTEM-FACTORY A/C

Part Number: HCT-BT8700A

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3403HC.020

Piston, Hypereutectic, Dish, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Each

Part Number: UEM-S3403HC-020

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Zumbrota Remanufactured Axle Assemblies for 1985-1986 ASTRO, SAFARI - RAA435-2111D-P

Axle Assembly, Remanufactured, Limited Slip, 2.56:1 Ratio, Each

Part Number: ZUD-RAA4352111DP

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Zumbrota Remanufactured Axle Assemblies for 1985-1987 ASTRO, SAFARI - RAA435-2111M-P

Axle Assembly, Remanufactured, Limited Slip, 4.11:1 Ratio, Each

Part Number: ZUD-RAA4352111MP

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Zumbrota Remanufactured Axle Assemblies for 1985-1986 ASTRO, SAFARI - RAA435-2111D

Axle Assembly, Remanufactured, Open, 2.56:1 Ratio, Each

Part Number: ZUD-RAA435-2111D

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Lloyd NorthRIDGE Floor Mats NORTHRIDGE

Floor Mats, NorthRIDGE Mats, Custom Color, Custom Application, Kit

Part Number: LLD-NORTHRIDGE

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Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

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Auto Custom Carpet Essex Custom-Fit Carpet Kits ESSEX-CARPET

Carpet, Customizable, Click Customize Tab for More Options

Part Number: AUC-ESSEX-CARPET

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Zumbrota Drivetrain Axle Assemblies RAA435-1215DE

Rear Axle Assembly

Part Number: ZUD-S0197

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Zumbrota Drivetrain Axle Assemblies RAA435-1249BE

Reman Axle Assy, GM 10 Bolt 8.5 In., 2.73 Ratio, w/o Posi Traction

Part Number: ZUD-S0027

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1463C.STD

Piston, Cast, Flat, 89mm Bore, 1.5mm, 2.0mm, 4.75mm Ring Grooves, GM, Jeep, V6, Each

Part Number: UEM-S1463C-STD

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1429.060

Piston, Cast, Dish, 3.935 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-060

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S1476HC.030

Piston, Hypereutectic, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1476HC-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Cast Pistons S3488.STD

Piston, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Each

Part Number: UEM-S3488-STD

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Estimated Ship Date: May 26, 2026 if ordered today

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Silv-O-Lite Cast Pistons S3488.030

Piston, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Each

Part Number: UEM-S3488-030

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Estimated Ship Date: May 26, 2026 if ordered today

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1985 GMC Parts and Accessories