View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1968 Chevrolet Biscayne with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.
 IN STOCK - DROPSHIPS YC GM12P-DG-4This bare Dura Grip case features high-strength nodular iron construction and precision machining. It's ready to accept spider gears, clutches, and springs.... Yukon Gear Dura Grip For GM 12 Bolt Cars w/ 33 Spline Axles 1964-1972 Chevrolet Biscayne Base $436.89 |
 IN STOCK - LOW YDGGM12P-3-30-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 30 Spline Axles / 3.08 To 3.90 Ratio 1964-1972 Chevrolet Biscayne Base $904.89 |
 OUT OF STOCK YDGGM12P-3-33-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 33 Spline Axles / 3.08 To 3.90 Ratio 1964-1972 Chevrolet Biscayne Base $970.89 |
 IN STOCK - LOW YDGGM12P-4-30-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 30 Spline Axles / 4.10+ 1964-1972 Chevrolet Biscayne Base $934.89 |
 IN STOCK - DROPSHIPS YDGGM12P-4-33-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 33 Spline Axles / 4.10+ 1964-1972 Chevrolet Biscayne Base $952.89 |
 IN STOCK - DROPSHIPS YDGGM8.2-3-28-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Duragrip Posi For GM 8.2in w/ 28 Spline Axles / 3.08 and Up 1964-1972 Chevrolet Biscayne Base $908.89 |
 IN STOCK - DROPSHIPS YP MINSGM12-30Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 12 Bolt Car & Truck w/ 30 Spline Axles 1964-1972 Chevrolet Biscayne Base $277.89 |
 IN STOCK - DROPSHIPS YP MINSGM8.2-28Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 8.2in w/ 28 Splnie Axles 1964-1972 Chevrolet Biscayne Base $163.89 |
 IN STOCK - DROPSHIPS SL GM12-30USA Standard Spartan Locker For GM 12 Bolt Car & Truck w/ 30 Spline Axles 1964-1972 Chevrolet Biscayne Base $734.89 |
 IN STOCK - DROPSHIPS SL XP-GM12USA Standard Spartan Locker 12 Bolt GM Spartan Locker Cross Pin 1964-1972 Chevrolet Biscayne Base $56.89 |
 IN STOCK - DROPSHIPS ZP MINSGM8.2-28USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Fu... USA Standard Mini Spool For GM 8.2in 1964-1972 Chevrolet Biscayne Base $138.89 |