Product#: T4786

1955-87 GM Cars / Trucks Chrome 10-Bolt Rear End Differential Cover

This replacement rear end cover is manufactured with bright, triple chrome plating and is designed to resemble the configuration of the original cover. This high-quality rear end cover will add a unique, custom appearance to...

Product#: M12118

Moser 12 Bolt Axle Truetrac Differential, 33 Spline Pressed Bearing Axle, 1310 Yoke, HP Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12117

Moser 12 Bolt Axle Truetrac Differential, 30 Spline Pressed Bearing Axle, 1310 Yoke, HP Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12119

12 Bolt Axle Yukon Dura Grip Differential, 33 Spline Pressed Bearing Axles, 1310 Yoke, HP Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12112

Moser 12 Bolt Axle Assembly Eaton Posi, 30 Spline Pressed Bearing Axle, 1350 Yoke, Chrome Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12108

Moser 12 Bolt Axle Assembly Eaton Posi, 30 Spline Pressed Bearing Axle, 1310 Yoke, Chrome Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12104

Moser 12 Bolt Axle Assembly Eaton Posi Differential, 30 Spline C-Clip Axles, 1310 Yoke, HP Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12101

Moser 12 Bolt Axle Assembly Truetrac Differential, 30 Spline C-Clip Axles, 1310 Yoke, Chrome Cover

Moser Engineering offers the best aftermarket 12 Bolt on the market. The 12 Bolt housings are newly cast nodular iron housing units that are direct replacements for leaf-spring General Motors OE applications. The extremely...

Product#: M12125

1970-81 F-Body, 1968-76 Nova Moser 12 Bolt Housing/Axle Package 30 Spline Axles w/Pressed Bearings

If you're not looking for a complete 12 Bolt and feel like tackling your own differential setup, try this housing and axle package. Package includes: All new Moser cast nodular 12-bolt housing Heavy duty 1/2" bearing ca p...

Product#: UR822838

Yukon Dura Grip Positraction 8.2" 28 Spline 3.08 And Up Ratios

Yukon Dura Grip® Positraction unit is based on the race-proven four-spring clutch-style design that has been used by GM for years. Assembled with heavy-duty 4320 Chrome-Moly spider gears and composite clutches for reduced...

Product#: UR8753090

Yukon Dura Grip Positraction 8.5" 30 Spline 3.08-3.90 Ratios

Yukon Dura Grip® Positraction unit is based on the race-proven four-spring clutch-style design that has been used by GM for years. Assembled with heavy-duty 4320 Chrome-Moly spider gears and composite clutches for reduced...

Product#: 545003

1971-88 GM 8.5 Inch, 10-Bolt; Auburn Gear Select-A-Loc Electric Differential; LSD to Lock; 28 Spline

The Select-A-Loc LSD to Lock model locks the axle shafts to the diff housing to transfer torque directly from the case, not through the gears. This electronically-actuated differential operates as a limited slip differential...

Product#: 545008

1964-72 GM Car 8-7/8" 12-Bolt, 10-Bolt; Auburn Gear Select-A-Loc Electric Differential; LSD to Lock; 30 Spline; "C" axle, 3 Series Case

The Select-A-Loc LSD to Lock model locks the axle shafts to the diff housing to transfer torque directly from the case, not through the gears. This electronically-actuated differential operates as a limited slip differential...

Product#: 545010

1964-72 GM Car 8-7/8" 12-Bolt, 10-Bolt; Auburn Gear Select-A-Loc Electric Differential; LSD to Lock; 30 Spline; "C" axle, 4 Series Case

The Select-A-Loc LSD to Lock model locks the axle shafts to the diff housing to transfer torque directly from the case, not through the gears. This electronically-actuated differential operates as a limited slip differential...

Product#: 5460117

1965-72 Chevrolet 8-7/8" 12-Bolt; Auburn Gear Grip-N-Loc Differential; 33 Spline; 4.10:1 & Up, 30 Spline; "C" axle, 4 Series Case

Grip-N-Loc, Auburn Gear's most advanced limited slip differential. The Grip-N-Loc builds upon exclusive technologies previously found in Auburn's limited slip line, but is even more robust to satisfy the extreme demands of...

Product#: LS231230

Powertrax; GRIP LS; GM 12 Bolt Limited Slip Differential; 8.875" Ring Gear; 30 Spline Axle; For Carriers With 3.90 Gear & Down

The Powertrax Grip LS, is a clutch type differential in a forged steel case. This differential uses a set of carbon clutch discs to provide traction as needed, is rebuild-able and serviceable, and aimed squarely at the street...

Product#: 546099

1964-71 Buick, Oldsmobile, Pontiac 8.2" 10-Bolt; Auburn Gear Grip-N-Loc Differential; 28 Spline; 2.93-3.23 Ratios

Grip-N-Loc, Auburn Gear's most advanced limited slip differential. The Grip-N-Loc builds upon exclusive technologies previously found in Auburn's limited slip line, but is even more robust to satisfy the extreme demands of...

Product#: 546031

1965-72 GM Car 8-7/8" 12-Bolt; Auburn Gear Grip-N-Loc Differential; 30 Spline; 4.10:1 & Up, 30 Spline; "C" axle, 4 Series Case

Grip-N-Loc, Auburn Gear's most advanced limited slip differential. The Grip-N-Loc builds upon exclusive technologies previously found in Auburn's limited slip line, but is even more robust to satisfy the extreme demands of...

Product#: *GM10273MKT

GM 10 Bolt 8.5" 2.73 Ring & Pinion Master Set W/Timken Bearings (1.626" Pinion Diameter, 30 Spline)

Replace your worn out or broken ring and pinion gears with new components from Motive Gear. Includes matched ring and pinion gears, pinion bearings, seal, crush sleeve and nut, carrier bearings, shim kit, ring gear bolts,gear...

Product#: LR1930

Powertrax; Lock-Right Locker; 10 Bolt Positive-Locking Differential; 7.5" Ring Gear; 26 Spline Axle; Open Case

If you're looking for extreme traction, Classic Industries® has got it all locked up! This new positive-locking differential is a breakthrough in differential technology, delivering the most traction possible while still...