Yukon Gear & Axle Dura Grip Posi Differential Carrier - 30 Spline - 2.76-3.42 Ratio and up - Iron - 8.5" - GM 12-Bolt AA0112EG2T61 830" Gasket Bore

830" Gasket Bore

Tri-Metal P Series Main Bearings

Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal

TCI StreetFighter Transmissions are designed to withstand the rigors of street machines ranging anywhere from 400 to 675 horsepower with a non-supercharged system using pump gasoline

Yukon Gear & Axle Dura Grip Posi Differential Carrier - 30 Spline - 2.76-3.42 Ratio and up - Iron - 8.5" - GM 12-Bolt AA0112EG2T61 830" Gasket BoreAlso works with 3. 73 & up thick gears. Yukon recommends the use of high grade Non Synthetic GL 5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation. Also works with 3. 73 up thick gears. Yukon recommends the use of high grade Non Synthetic GL 5 gear oil and Yukon LSD (Limited Slip Differential)