Looking for aftermarket parts to modify or upgrade your Buick Riviera with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

IN STOCK - LOW YDGGM8.5-3-28-1Yukon 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 Dura Grip Positraction For GM 8.5in w/ 28 Spline Axles 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $908.89 |
IN STOCK - DROPSHIPS YGK2359Yukon Gear & Axle(R) provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring and pinions, positractions, loc... Yukon 64-72 Pontiac GTO Limited Slip & Re-Gear Kit 8.2in BOP 27 Spline 3.36 ratio 1964-1972 Buick Riviera Base 1965-1966 Buick Riviera Gran Sport 1971-1971 Buick Riviera Gran Sport $1,385.89 |

IN STOCK - DROPSHIPS YP MINSGM8.5-28Yukon 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. Full spools ar... Yukon Gear Mini Spool For GM 8.5in w/ 28 Spline Axles 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $188.89 |
IN STOCK YP MINSGM8.5-30Yukon 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. Full spools ar... Yukon Gear Mini Spool For GM 8.5in w/ 30 Spline Axles 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $209.89 |

IN STOCK - DROPSHIPS SL GM8.5-28USA Standard Spartan Locker For GM 8.5in w/ 28 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $661.89 |
IN STOCK - DROPSHIPS SL GM8.5-30USA Standard Spartan Locker For GM 8.5in w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $661.89 |
IN STOCK - DROPSHIPS SL XP-GM8.5USA Standard Spartan Locker 8.5in GM Spartan Locker Cross Pin 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $56.89 |

IN STOCK - DROPSHIPS ZP MINSGM8.5-28USA 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 8.5in / 28 Spline 1975-1975 Buick Riviera GS 1975-1978 Buick Riviera Base 1976-1976 Buick Riviera Sport / SR 1978-1978 Buick Riviera LXXV Anniversary Edition $148.89 |