1979 CHEVROLET K20 Transmission & Drivetrain

Gear, Ring and Pinion, 4.56:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Thick, Set

Part Number: YGA-24037

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential, No-Slip Traction System, 30-Spline, GM 10.5 in., Each

Part Number: PWT-92-0705-3000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 4.27:1 Ratio, Dana 44, Set

Part Number: MGR-D44-427

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: QTI-RM-920

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Driveshaft, Two-Piece, Steel, Front, Chevy, GMC, Each

Part Number: RNB-938-187

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pressure Plate, Centerforce II, Diaphragm-Style, 12 in. Disc Diameter, Each

Part Number: CTF-CFT361909

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears, 4.11:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36042

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36053

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio

Part Number: SPZ-36298

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Clutch Kit, DFX, Performance, Single Disc, 10-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315735552

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: YGA-24045

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit

Part Number: TCI-259015

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Yukon hardcore drive flange kit for Dana 44, 30 spline outer stubs. Non-engraved caps.

Part Number: YGA-29066

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: YGA-24140

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring & Pinion Gear, 5.13 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: YGA-24139

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears, 5.13:1 Ratio, Dana 44, Set

Part Number: YGA-24042

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Set

Part Number: YGA-24502

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Flywheel, Aluminum, 10.5 lbs., Chevy, Each

Part Number: FIZ-198541

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Spider Gear Kit, Dura-Grip, Dana 44, 30 Spline, Kit

Part Number: YGA-16168

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order