Availability
Summit Racing Differential & Rear-End Components
Combo, Richmond Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.875 in. "C", 3 Series, Install Kit, Lube, DVD, Kit
Part Number: CMB-14-0057
Cannot be shipped Internationally
Cannot be shipped Internationally
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: SUM-741003
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Polished, Dana 60, Kit
Part Number: SUM-730506
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Axle Housing Hardware Kit, 1964-74 Mopar, 8 3/4" Differential, U-Bolts with Lock Nuts, 6 5/8" Length, OE Style Fasteners, 12 Piece Kit
Part Number: SUM-RP80420
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Natural, Dana, 60, 70, Kit
Part Number: SUM-730504N
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Black Powdercoated, Dana 60, Kit
Part Number: SUM-730506B
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Polished, Dana, 60, 70, Kit
Part Number: SUM-730504
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Polished, GM, 14-Bolt, 10.5 in. Diameter Ring Gear, Kit
Part Number: SUM-730505
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Natural, GM, 14-Bolt, 10.5 in. Diameter Ring Gear, Kit
Part Number: SUM-730505N
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Installation Kit, Ring and Pinion, Basic, GM, 8.875 in., Kit
Part Number: SUM-G7917K
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.2 in., 25 Spline Pinion, Set
Part Number: SUM-741022
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Marking Compound, Ring and Pinion, Beige, Each
Part Number: SUM-730001
Cannot be shipped Internationally
Cannot be shipped Internationally
Differential Cover, Steel, Chrome, GM, 7.5 in., 7.625 in.,10-Bolt, Kit
Part Number: SUM-730302
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Axles, Direct Fit, 1541H Steel, 28-Spline, Ford, 8.8 in., 5 x 4.50 in. Bolt Pattern, Kit
Part Number: SUM-700128
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Polished, AMC, Model 20, Kit
Part Number: SUM-730511
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Stud Kit, Differential Bearing Cap, 8740 Chromoly, Nuts, Washers, GM, 8.875 in., Kit
Part Number: SME-85102-1
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Natural, GM, 8.5 in., 10-Bolt, Front, Kit
Part Number: SUM-730507N
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Axle, Circle Track, 1541 Alloy Steel, Ford, 9 in., 31-Spline, 33.00 in. Length, Each
Part Number: SUM-CTFLAXC31BBL
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each
Part Number: SUM-730966
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Polished, Ford, 10.25 in., 10.5 in., Sterling, 12-Bolt, Kit
Part Number: SUM-730509
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Spool, Mini, Steel, 28-Spline, 10-Bolt, GM 8.2 in., Each
Part Number: SUM-730082
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Installation Kit, Ring and Pinion, Basic, GM, 7.5 in., 7.625 in., Kit
Part Number: SUM-G7921K
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum, Natural, Dana 60, Kit
Part Number: SUM-730506N
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Front, Kit
Part Number: SUM-730303
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Carrier, Positraction, Nodular Iron, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each
Part Number: SUM-730946
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster