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Looking for aftermarket parts to modify or upgrade your Buick Skylark with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.
 IN STOCK - DROPSHIPS YDGGM7.5-3-26-SMYukon 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 7.5in & 7.625in w/ 26 Spline Axles / 3.23+ 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $846.89 |
 IN STOCK - LOW YDGGM7.5-3-28-SMYukon 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 7.625in w/ 28 Spline Axles / 3.23+ 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $910.89 |
 IN STOCK - DROPSHIPS YDGGM8.2BOP-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 8.2in Buicks / Olds & Pontiac w/ 28 Spline Axles 1964-1972 Buick Skylark Base 1968-1972 Buick Skylark Custom 1970-1970 Buick Skylark 350 1972-1972 Buick Skylark 350 $1,029.89 |
 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 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $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 Skylark Base 1968-1972 Buick Skylark Custom 1970-1970 Buick Skylark 350 1972-1972 Buick Skylark 350 $1,385.89 |
 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 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $333.89 |
 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 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $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 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $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 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $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 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $661.89 |
 IN STOCK - DROPSHIPS SL XP-GM8.5USA Standard Spartan Locker 8.5in GM Spartan Locker Cross Pin 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $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 1970-1970 Buick Skylark 350 1970-1972 Buick Skylark Base / Custom 1972-1972 Buick Skylark 350 1975-1977 Buick Skylark SR 1975-1979 Buick Skylark Base 1976-1979 Buick Skylark S 1978-1978 Buick Skylark Sport 1978-1979 Buick Skylark Custom $148.89 |