Looking for aftermarket parts to modify or upgrade your 1970 Pontiac Firebird with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your Firebird.
Whether you have a 1970 Pontiac Firebird in Base to Trans Am trim we have you covered. We have 11 differentials available to mod your Firebird. All parts have free shipping to the Continental US 48 States.
OUT OF STOCK YC GM12P-DG-4This bare Dura Grip case features high-strength nodular iron construction and precision machining. It's ready to accept spider gears, clutches, and springs.... Yukon Gear Dura Grip For GM 12 Bolt Cars w/ 33 Spline Axles 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $385.89 SALE VIEW PRICE IN CART |
IN STOCK YDGGM12P-3-30-1The 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 12 Bolt Car w/ 30 Spline Axles / 3.08 To 3.90 Ratio 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $799.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGGM12P-3-33-1The 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 12 Bolt Car w/ 33 Spline Axles / 3.08 To 3.90 Ratio 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $853.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGGM12P-4-30-1The 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 12 Bolt Car w/ 30 Spline Axles / 4.10+ 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $822.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGGM12P-4-33-1The 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 12 Bolt Car w/ 33 Spline Axles / 4.10+ 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $837.89 SALE VIEW PRICE IN CART |
IN STOCK YDGGM8.2-3-28-1The 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 Duragrip Posi For GM 8.2in w/ 28 Spline Axles / 3.08 and Up 1969-1972 Pontiac Firebird Trans Am $799.89 SALE VIEW PRICE IN CART |
OUT OF STOCK YDGGM8.2BOP-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 Duragrip Posi For 8.2in Buicks / Olds & Pontiac w/ 28 Spline Axles 1967-1972 Pontiac Firebird Base 1969-1972 Pontiac Firebird Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $899.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YP MINSGM12-30Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 12 Bolt Car & Truck w/ 30 Spline Axles 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $243.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YP MINSGM8.2-28Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 8.2in w/ 28 Splnie Axles 1969-1972 Pontiac Firebird Trans Am $142.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS SL GM12-30USA Standard Spartan Locker For GM 12 Bolt Car & Truck w/ 30 Spline Axles 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $646.89 SALE VIEW PRICE IN CART |
IN STOCK - LOW SL XP-GM12USA Standard Spartan Locker 12 Bolt GM Spartan Locker Cross Pin 1969-1972 Pontiac Firebird Base / Trans Am 1970-1972 Pontiac Firebird Esprit / Formula $51.51 SALE VIEW PRICE IN CART |