1985 GMC Transmission & Drivetrain

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

• Free Shipping

Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Bellhousing, Chevy to Muncie/BW T-10/Saginaw, Steel, Each

Part Number: LAK-77-150

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Today

• Free Shipping

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: MGR-D60-354

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Limited Slip, 30-Spline, GM 10.5 in. (14-bolt), Steel, Rear, for 4.10 and Numerically Lower Ratios, Chevy, GMC, Each

Part Number: YGA-26030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10638

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19689-010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.42:1 Ratio, GM 7.5/7.625 in., Set

Part Number: YGA-10637

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Yukon front 4340 Chromoly axle kit for 1979-87 GM 8.5 in. 1/2 ton truck and Blazer

Part Number: YGA-21325

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Nitrous Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20481

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Nodular Iron, Dana 60, Dana 61, Each

Part Number: YGA-26037

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Locking Hub, Aluminum, 35-Spline, Dana 60, Chevy, Dodge, Ford, GMC, Pair

Part Number: YGA-29082

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 27-spline, 9.600 in. Diameter, Balanced, TH200-4R, THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1F28Q

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Combo, Hurst, Shifter, Competition Plus, Installation Kit, Chevy, GMC, Muncie M-21, Kit

Part Number: CMB-13-0060

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, 700R4, Each

Part Number: BMM-70421

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 70, Set

Part Number: MGR-D70-354

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Throwout Bearing Conversion, Hydraulic, Hydramax, GM, Tremec, Richmond, Muncie, Saginaw, Doug Nash, Kit

Part Number: AWR-HMGM01104G

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Carrier Components, Trac Loc Positraction Internals, 35 Spline, Dana 60/70, 35 Spline Axles, Kit

Part Number: YGA-16008

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Torque Converters, Twister Full Race, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D24F

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20413

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

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

• Drop Ship
• Free Shipping
• Special Order