1985 GMC Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Yukon Gear & Axle Bearing Kits BK GM8.5-HD

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Moog U-Joint Fasteners 360-10

U-Bolts, Steel, Fits 354, 368, 369, 455, and 455 U-Joints, Pair

Part Number: MOG-360-10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Spicer Drivetrain Products Driveshaft Center Support Bearings 210391-1X

Driveshaft Center Support Bearing, Black Rubber Bushing, Ford, Each

Part Number: SDH-210391-1X

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-342 GM 7.5/7.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24145

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Yukon Gear & Axle 30/32/35 Spline Differential Carrier Cases Dana 60 YC D707175

Yukon standard open carrier case, Dana 60, 4.56 & up

Part Number: YGA-20046

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA G14035542

Axle Shaft, Rear, C-clip, 1541H Alloy Steel, 28-spline, 31.313 in. Length, GM 8.5 in., Chevy, GMC, Each

Part Number: YGA-21253

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Motive Gear Super Ring and Pinion Gear Installation Kits R10CRSKT

Ring and Pinion Installation Kit, Super Kit, GM, 8.2 in., Kit

Part Number: MGR-R10CRSKT

Not Yet Reviewed

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Motive Gear Performance Ring and Pinion Sets G875323 GM 7.5/7.625 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Zoom MU Series Clutches for 1985-1990 ASTRO, SAFARI - MU1877-1B

Clutch Kit, Organic, 1 in. Diameter Shaft, 14-Spline, 11 in. Diameter Disc, Chevy, GMC, 4.3L, Kit

Part Number: ZZZ-MU1877-1B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Yukon Gear & Axle 14 Bolt GM 10.5 Inch Differential Cover YP C5-GM14T

Differential Cover, 14-bolt, Steel, Natural, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32345

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Currie 9 in. Crate Rear End Assemblies CR-GG135TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG135TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

TCI Thrust Washer Kits 243600

TCI Thrust Washer Kits 243600

Kit Thrust Washers GM TH400

Part Number: TCI-243600

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Pioneer Transmission Dispstick Tube Seals 760014-5

Tube Seals, Transmission Fluid Dipstick Components, GM, Set of 5

Part Number: PIO-760014-5

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Currie 9 in. Crate Rear End Assemblies CR-GC737TWAB

Crate Axle, 73-87 Chevy C10 Centurion 9-Inch, 5-Lug, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GC737TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GC741TWAB

Crate Axle, 73-87 Chevy C10 Centurion 9-Inch, 5-Lug, Black PC, 31-Spline, 4.11 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GC741TWAB

Not Yet Reviewed

Estimated Ship Date: Today

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Timken Axle Bearings B2110

Axle Bearing, Inner, 1.625 in. Diameter, 1.312 in. Bore, Each

Part Number: TMK-B2110

Not Yet Reviewed

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USA Standard Gear Driveshafts ZDS9339

Driveshaft, Front, 2-piece, Assembled, Balanced, Steel, 29.500 in. Length, Chevrolet, GMC, Each

Part Number: SPZ-44293

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

USA Standard Gear Ring and Pinion Sets ZG D60-513 Dana 60 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36078

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

RAM Concept 10.5 Dual-Disc Organic Clutch Kits 50-2122

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1 1/8 in. Input, 10-Spline, Organic, AMC, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: RAM-50-2122

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

Need It Sooner? We recommend these similar substitute parts:

McLeod RST Street Twin Clutch Kits 6913-04

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Yukon Gear & Axle 4340 Chromoly Axles YA W39253

Axle Shaft, Front Inner, 4340 Chromoly, 28 Spline, 35.46 in. Length, GM 8.5 in., Each

Part Number: YGA-21366

5.0 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

Spicer Drivetrain Products End Yokes 3-4-8681-1

Yoke, End Yoke, 30-Spline, Steel, Spicer 1350, Driveshaft, Each

Part Number: SDH-3-4-8681-1

5.0 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

American Powertrain ProFit Tremec TKX Manual Transmission and Installation Kits COGM-T1FX

Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.82:1 Fifth Gear, Truck, Chevy/GMC, C10/C15/C1500, Kit

Part Number: AWR-COGM-T1FX

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Richmond Gear Mini-Spools 78-1230-1

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Summit Racing™ Positraction 33 Spline Differential Carriers GM 9.5 Inch SUM-730988

Differential Carrier, Positraction, Clutch-type, 33-spline, Chevy, GMC, Hummer, Each

Part Number: SUM-730988

Not Yet Reviewed

Estimated Ship Date: Today

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Motive Gear 33 Spline Differential Carrier Cases 14038087

Differential, Open, Empty, GM, 9.5 in., Each

Part Number: MGR-14038087

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