Looking for aftermarket parts to modify or upgrade your 1978 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 1978 Buick Regal in Base to Sport trim we have you covered. We have 10 differentials available to mod your Regal. All parts have free shipping to the Continental US 48 States.
 IN STOCK YDGGM7.5-3-26-SMThe 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 7.5in & 7.625in w/ 26 Spline Axles / 3.23+ 1978-1982 Buick Regal Sport 1978-1983 Buick Regal Base / Limited $735.89 |
 IN STOCK YDGGM7.5-3-28-SMThe 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 7.625in w/ 28 Spline Axles / 3.23+ 1978-1981 Buick Regal Base / Limited / Sport $799.89 |
 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 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $799.89 |
 IN STOCK - DROPSHIPS YP MINSGM7.5-26Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 7.5in w/ 26 Spline Axles 1978-1982 Buick Regal Sport 1978-1983 Buick Regal Base / Limited $272.89 |
 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 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $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 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $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 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $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 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $582.89 |
 IN STOCK - DROPSHIPS SL XP-GM8.5USA Standard Spartan Locker 8.5in GM Spartan Locker Cross Pin 1973-1987 Buick Regal Base 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $51.51 |
 IN STOCK - DROPSHIPS ZP MINSGM8.5-28USA Standard Mini Spool For GM 8.5in / 28 Spline 1973-1987 Buick Regal Base 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $129.89 |