GMC Summit Racing Differential & Rear-End Components

Combo, Differential, Eaton Truetrac, Ring and Pinion, 3.73:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0080

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Differential Cover, Aluminum, Natural, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503B

3.92 out of 5 stars ( 13 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, Dana 44, 3 Series, 30 Spline, Each

Part Number: SUM-730972

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730958

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Combo, Differential, Eaton Truetrac, Ring and Pinion, 4.10:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0082

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Differential Cover, Aluminum, Polished, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, 30-spline, Steel, Rear, Chevy, GMC, GM 10.5 in. 14-bolt, Each

Part Number: SUM-730987

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Axle Upgrade Combo, Dana 60, 35 Spline, Spicer U-Joints, Spicer Front Outter Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, Dana 60, Dana 61, 30 Spline, 3 Series, Each

Part Number: SUM-730975

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-730988

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Spicer Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0002

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, Dana 60, Dana 61, 32 Spline, 4 Series, Each

Part Number: SUM-730979

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Combo, Differential, Eaton Truetrac, Ring and Pinion, 4.56:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0084

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, Dana 60, Dana 61, 32 Spline, 3 Series, Each

Part Number: SUM-730976

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Free Shipping
• Special Order

Differential Carrier, Positraction, Nodular Iron, Dana 60, Dana 61, 30 Spline, 4 Series, Each

Part Number: SUM-730978

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Free Shipping
• Special Order

Differential Carrier, Positraction, Nodular Iron, Dana 60, 35 Spline, 4 Series, Each

Part Number: SUM-730980

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Free Shipping
• Special Order

Differential Carrier, Positraction, Nodular Iron, Dana 80, 37 Spline, 3 Series, Each

Part Number: SUM-730982

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Free Shipping
• Special Order

Differential Carrier, Positraction, Nodular Iron, Dana 60, 35 Spline, 3 Series, Each

Part Number: SUM-730977

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order

Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Spicer Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0004

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Spicer Axle Shafts, Drive Hubs, Kit

Part Number: CMB-35-0006

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Yukon Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0008

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Free Shipping
• Special Order