1987-Up GM 8.25" IFS Differential Ring and Pinion Gear Set Ratio::4.56 875" 12 Bolt Truck Posi

875" 12 Bolt Truck Posi Differential is available for 30 and 33 spline axle shafts

25" IFS Front

Ford E-250 Econoline (1997 – 2002)

GMC G35 (1977-1978)

Buick Centurion (1971-1972)

1987-Up GM 8.25" IFS Differential Ring and Pinion Gear Set Ratio::4.56 875" 12 Bolt Truck PosiGM 8. 25" IFS Ring and Pinion Gear Set Description Package Includes: (1) Ring and Pinion Gear Set (Choose Ratio Above) *Note: The GM 8. 25" IFS has a carrier break at 3. 23 & numerically lower 3. 42 & numerically higher. That means if you have 3. 08 3. 23 ratios from the factory, and would like to run 3. 42 5. 13 ratios, you will need to buy a new carrier. Contact support if you need help figuring out what carrier you have. Remember to properly break