Looking for in-stock aftermarket parts to modify or upgrade your 1981 Buick Regal with differential spider gears? At Tunersports.com we carry a huge selection of the top name brand performance differential spider gear parts and accessories for your Regal.
Whether you have a 1981 Buick Regal in Base to Sport trim we have you covered. We have 3 differential spider gears available to mod your Regal. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS ZIKGM7.5-S-26USA Standard Gear Standard Spider Gear Set For GM 7.5in / 26 Spline 1978-1982 Buick Regal Sport 1978-1983 Buick Regal Base / Limited $150.89 |
 IN STOCK - DROPSHIPS ZIKGM8.5-S-28USA Standard Gear Standard Spider Gear Set For GM 8.5in / 28 Spline 1973-1987 Buick Regal Base 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $194.89 |
 IN STOCK - DROPSHIPS ZIKGM8.5-S-30USA Standard Gear Standard Spider Gear Set For GM 8.5in / 30 Spline 1973-1987 Buick Regal Base 1978-1982 Buick Regal Sport 1978-1987 Buick Regal Limited $174.89 |