*All orders require your core to be sent in, and must include the cast front cover. We do NOT have any spare T-cases at this time.

Sick of breaking your T-case? Need a reasonably priced upgrade? The Boostin Performance 300M upgraded T-case is your answer!!

This upgrade starts with rebuilding your core. Seals are replaced, everything is re-shimmed for high horsepower applications, and the bearings are replaced, if needed. The foundation of the upgrade is a 300M output shaft and bored out tail shaft housing. This will mate up with your 25-spline Drive Shaft Shop driveshaft. This T-case upgrade is proven to hold 1.2 60 ft times and is built to withstand the abuse!!

Stage 1:

• 300M Output shaft upgrade w/ bored out tail shaft housing

• Seals & gaskets

• Shimmed for proper Bearing Preload, Gear Backlash Setup, and Proper Gear Mesh

• Option: Magnus Billet Bearing Side Cover (+$225)

Stage 2:

• Includes Stage 1 Package
• BP Billet Transfer Case Mid-Housing

• Option: Magnus Billet Bearing Side Cover (+$225)

Stage 3:

• Includes Stage 2 Package

• Magnus Billet Front Transfer Case Housing w/ Side Cover

Stage 4:

• Includes Stage 3 Package
• Upgraded aftermarket Transfer Case Gear set. Both OEM gears are replaced with high quality aftermarket gears.