Looking for aftermarket parts to modify or upgrade your 1977 Buick Regal with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your Regal.
Whether you have a 1977 Buick Regal in Base to SR trim we have you covered. We have 7 differentials available to mod your Regal. All parts have free shipping to the Continental US 48 States.
 IN STOCK YDGGM8.5-3-28-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip Positraction For GM 8.5in w/ 28 Spline Axles 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $799.89 |
 IN STOCK - DROPSHIPS YP MINSGM8.5-28Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For GM 8.5in w/ 28 Spline Axles 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $164.89 |
 IN STOCK YP MINSGM8.5-30Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For GM 8.5in w/ 30 Spline Axles 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $183.89 |
 IN STOCK - DROPSHIPS SL GM8.5-28USA Standard Spartan Locker For GM 8.5in w/ 28 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $582.89 |
 IN STOCK - DROPSHIPS SL GM8.5-30USA Standard Spartan Locker For GM 8.5in w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $582.89 |
 IN STOCK - DROPSHIPS SL XP-GM8.5USA Standard Spartan Locker 8.5in GM Spartan Locker Cross Pin 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $51.51 |
 IN STOCK - DROPSHIPS ZP MINSGM8.5-28USA Standard Mini Spool For GM 8.5in / 28 Spline 1973-1987 Buick Regal Base 1976-1977 Buick Regal SR $129.89 |