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 Spider Gear Kits YPKD70-S-35

Spider Gear Kit, Open Differential, Dana 70/80, 35 Spline, Kit

Part Number: YGA-16093

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 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481-XHD

Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM12T-411T GM 8.875 in. (12-bolt) truck 4.11 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.11 ratio

Part Number: SPZ-36178

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Motive Gear Differential Pinion Shims 1102

Pinion Shim Pack

Part Number: MGR-1102

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Richmond Gear Cross Pins and Shafts CSPGM85

Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Yukon Gear & Axle U-Joint Strap Kits YY STR-008

U-Joint Straps, Mechanics 3R Style, Differential Location, GM 7.5 in., GM 7.625 in., GM 8.5 in., Each

Part Number: YGA-41201

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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QuickTime Lightweight Performance 153-Tooth Flexplate RM-901

Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-901

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Dorman Ring and Pinion Sets 697-315 Dana 60 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, Dana 60, Set

Part Number: RNB-697-315

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Dorman Pinion Yokes 697-537

Pinion Yoke, Differential Location, Rear, 30-Spline Inner, Steel, GM 8.875 in. 12-Bolt Truck, Each

Part Number: RNB-697-537

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Centerforce I Pressure Plates CF361877

Pressure Plate, Centerforce I, Diaphragm-Style, 11 in. Disc Diameter, Each

Part Number: CTF-CF361877

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits RA29RPK

Ring and Pinion Installation Kit, Basic, Dana 60, Front/Rear, Kit

Part Number: MGR-RA29RPK

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

Yukon Gear & Axle Differential Crush Sleeves YSPCS-006

Crush Sleeve, Steel, 0.660 in. Tall, Dana 60, Each

Part Number: YGA-33089

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TransGo Automatic Transmission Boost Valves 7-422

Boost Valve/Bushing, .422 TV, 700R4/200-4R, Kit

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Today

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Pioneer 168-Tooth Flywheel FW-101

Flywheel, OEM Cast, 168-Tooth, 30 lb., External Engine Balance, Chevy, BBC, Each

Part Number: PIO-FW-101

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ OE Replacement 168-Tooth Flywheel SUM-700096

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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SVL Drivetrain Ring and Pinion Gear Sets 2020606 Dana 60 5.13 Gears

Ring & Pinion Gear Set DANA 60 / 5.13 Ratio

Part Number: SVL-2020606

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 10.5 Inch GT231430

Differential Carriers, Grip Pro Traction System, 30 Spline, 10.5 in. GM, Each

Part Number: PWT-GT231430

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Spicer Drivetrain Products Axle Shafts 29903-1X

Front Axle Shaft Overall Length:29.05

Part Number: SDH-29903-1X

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

Yukon Gear & Axle 1541H Alloy Axles YA D660276-1

Axle Shaft, Front Inner, Driver Side, 1541H Alloy Steel, 28-spline, GM 8.5 in., Each

Part Number: YGA-21122

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

FAG USA Wheel Bearing Seals SS2698

Seal Various Makes 64-14

Part Number: FWB-SS2698

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Powertrax Replacement Active Spacers 624004SDG2

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Sachs Stock Replacement 168-Tooth Flywheel NFW1023

Flywheel, Replacement, 168-tooth, 6-bolt, Cast Iron, 14.150 in. Diameter, Chevrolet, Each

Part Number: SXR-NFW1023

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

SVL Drivetrain Products Differential Carrier Rebuild Kits and Spider Gears 10020478

Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff

Part Number: SVL-10020478

Not Yet Reviewed

Estimated Ship Date: Today

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Spicer Drivetrain Products Axle Seals 39246

Axe Seal, Dana 60, Rubber, Each

Part Number: SDH-39246

Not Yet Reviewed

Estimated Ship Date: Today

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B&M Holeshot 3,400-3,800 Stall Torque Converter 20425

Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020880 Dana 60 4.09 Gears

Ring and Pinion Gears, Dana 60, 4.09:1 Ratio, 29-spline, Standard Rotation, Dana 60, Set

Part Number: SVL-2020880

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today