Currie complete Ford 9-inch third members, make it easy to update your muscle car, sport truck, street rod, or race vehicle with a new gear ratio or carrier. Every Currie Ford 9-inch third member includes: a new nodular iron...
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...
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...
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...
Auburn Gear 7-1/2" & 7-5/8" 10-Bolt, 3.08/Down, 26 Teeth High Performance Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 7-1/2" & 7-5/8" 10-Bolt, 3.08/Down, 26 Teeth High Performance Limited-Slip Differential
Classic $634.99 ea
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in traction-adding differential technology. It combines the automatic street-friendly operation of a limited-slip differential...
Powertrax; No-Slip Traction Systems; Buick/Olds/Pontiac; 10 Bolt Differential; 8.2" Ring Gear; 28 Spline Axle
Classic $593.99 ea
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...
Powertrax; Lock-Right Locker; 10 Bolt Positive-Locking Differential; 7.5" Ring Gear; 26 Spline Axle; Open Case
Classic $550.99 ea
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...
Powertrax; Lock-Right Locker; 10 Bolt Positive-Locking Differential; 7.6" Ring Gear; 26 Spline Axle; Open Case
Classic $548.99 ea
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...
Powertrax; Lock-Right Locker; 10 Bolt Positive-Locking Differential; 7.6" Ring Gear; 28 Spline Axle; Open Case
Classic $452.99 ea
Auburn Gear 8-7/8" 12-Bolt, 4.10/Up, 30 Spline, C-Clip Axle, 4 Series HP Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 8-7/8" 12-Bolt, 4.10/Up, 30 Spline, C-Clip Axle, 4 Series HP Limited-Slip Differential
Classic $409.99 ea
Auburn Gear 8.5"& 8.6" 10-Bolt 2.73/Up 30 Teeth Large Hub High Performance Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 8.5"& 8.6" 10-Bolt 2.73/Up 30 Teeth Large Hub High Performance Limited-Slip Differential
Classic $401.99 ea
Pontiac, Buick, Oldmobile with 8.2" ring gear, non "C" lock axle, 27 tooth pinion spline compatable with 3.36 and up ratios 28 tooth side gear spline Originally used in 1964-71 model years.
Yukon Dura Grip Positraction 8.5" 28 Spline 2.76 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...
Auburn Gear 8.5"& 8.6" 10-Bolt 2.73/Up 28 Teeth Large Hub High Performance Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 8.5"& 8.6" 10-Bolt 2.73/Up 28 Teeth Large Hub High Performance Limited-Slip Differential
Classic $649.99 ea
Auburn Gear 8-7/8" 12-Bolt, 3.07-3.73, 30 Teeth, C-Clip Axle, 3 Series HP Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 8-7/8" 12-Bolt, 3.07-3.73, 30 Teeth, C-Clip Axle, 3 Series HP Limited-Slip Differential
Classic $629.99 ea
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...
Auburn Gear 7-1"& 7-5/8" 10-Bolt, 3.08/Down, 28 Teeth High Performance Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 7-1"& 7-5/8" 10-Bolt, 3.08/Down, 28 Teeth High Performance Limited-Slip Differential
Classic $414.99 ea
Auburn Gear 7-1"& 7-5/8" 10-Bolt, 3.23/Up, 28 Teeth High Performance Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 7-1"& 7-5/8" 10-Bolt, 3.23/Up, 28 Teeth High Performance Limited-Slip Differential
Classic $401.99 ea
Auburn Gear 7-1/2" & 7-5/8" 10-Bolt, 2.73 / Up, 26 Teeth High Performance Limited-Slip Differential
Auburn Gear's High Performance Series limited-slip differentials outperform standard OEM differentials hands down. They deliver more traction and faster engagement for controlled power transfer and lightning fast reaction to...
Auburn Gear 7-1/2" & 7-5/8" 10-Bolt, 2.73 / Up, 26 Teeth High Performance Limited-Slip Differential
Classic $399.99 ea
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...
Powertrax; Lock-Right Locker; 12 Bolt Positive-Locking Differential; 8.875" Ring Gear; 30 Spline Axle; Open Case
Classic $380.99 ea