Upgrades

ZF8HP 845RFE SHIFT KIT® Valve Body Repair Kit | GEN-1

The SK®8HP SHIFT KIT® Valve Body Repair Kit is engineered to address the most frequent ZF 8HP GEN1 and Chrysler 845RE transmission failures and shift complaints. Fits GEN1 ZF8HP45, ZF8HP55, ZF8HP70, ZF8HP90 and Chrysler 845RE Does not fit GEN2...

8HP70 8HP75 Adjustable Sure-Cool® System

This upgrade is recommended during rebuiding or transmission service as preventive maintenance on ZF8HP70 and ZF8HP75 units.  The Sure-Cool System provides three settings: Full Time Cooler Flow for maximum cooling 25% Bypass Mix for winter/cold...