1966 GMC Transmission & Drivetrain

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-126

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-128

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Flywheel, Forged Steel, 153-Tooth, 12.2 lb., Internal Engine Balance, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: ACL-600455

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

SOLID PINION SPACER, 12 BOLT TRUCK

Part Number: MGR-4107

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order

Axle Shaft, 30-Spline, 33.375 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

Not Yet Reviewed

Estimated Ship Date: Today

High performance Yukon Ring & Pinion gear set for GM 12 bolt truck in a 4.88 ratio

Part Number: YGA-24133

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pivot Ball, Steel, Chevy, GMC, Pontiac, Each

Part Number: GMK-4010-951-651

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Truck, Set

Part Number: SPZ-36173

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 6 Pad Mount, 13 in. Diameter, 1,200 Stall, Avanti, Checker, Excalibur, GM, Each

Part Number: CCV-TQBU6

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 29, 2026 if ordered today

• Core Charge $75.00
• Drop Ship
• Special Order

Yoke, Differential Location, 26-spline Inner, Steel, Spicer 1330 U-joint Style, Each

Part Number: YGA-41019

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Special Order

Seal Various Makes 64-14

Part Number: FWB-SS2698

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Crosspin Bolt, Each

Part Number: YGA-33344

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12R

2.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order

Crosspin Shaft, Steel, Each

Part Number: YGA-33406

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Yukon positraction internals for GM 12 bolt car and truck with 33 spline axles

Part Number: YGA-16040

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Bearing Race, BMW, Chevy, GMC, Dodge, Plymouth, Ford, Mercury, Merkur, International, Jeep, Studebaker, Each

Part Number: TMK-HM88510

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Wheel Bearings, 1.375 in. Bore Diameter, 0.710 in. Width, 2.563 in. O.D., Bearing Races, for Nissan, AMC, Chevy, Chrysler, Ford, GMC, Toyota, Each

Part Number: SKF-BR5

Not Yet Reviewed

Estimated Ship Date: Today

Clutch Guide, Trac Loc, Chrysler 9.25 in., Dana 44, Dana 60, Each

Part Number: YGA-33249

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Axle Conversion, Rear, With Limited Slip Differential, 3.73 and Up ratio, 5 x 5.00 in. Bolt Circle, GM, Kit

Part Number: HUU-02-123

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D28F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pinion Yoke, Bolt-on, 26-spline, Steel, 3.03 in. Overall Length, AMC, Chevrolet, Dodge, Ford, GMC, International, Isuzu, Jeep, Peterbilt, Volvo, Each

Part Number: RNB-697-543

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order

Ring and Pinion Gears, 5.89:1 Ratio, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: YGA-24046

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Yoke, Differential Location, 26-spline Inner, Steel, Spicer 1310 U-joint Style, Each

Part Number: YGA-41017

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Drop Ship
• Special Order