Xtreme Outback upgrade kits are available with everything you need for a successful installation + accessories you may want to upgrade or replace while the gearbox is out of the vehicle

\nPatented integrated pressure control

and T4 Flane options

This center cap only fits: JR20

Brown/Purple 7psi Spring and Brown/Pink 7psi Outer Spring (installed)

Xtreme Clutch Conversion kit - GM V8 SB 350 - TOPLOADER 10x27mm KGM27005-1A JR28 Xtreme Outback upgrade kits areThe Stage 1 clutch kit uses an upgraded pressure plate with increased clamping pressure, combined with an organic friction disc. Stage 1 delivers substantial increases in performance and power holding capability whilst retaining near factory type driveability, and is designed primarily for high performance road going vehicles. These kits feature a high quality cover with increased clamping force compared with standard, between 20 40% depending on the