ZF8HP/845RE SHIFT KIT® Valve Body Repair Kit

Part number: SK®8HP

SHIFT KIT® Valve Body Repair Kit

Requires toolkit ZF8-AFL-TK

Fits: GEN1 ZF8HP45, ZF8HP55, ZF8HP70, ZF8HP90 and Chrysler 845RE

Does not fit GEN2 ZF8HP50, ZF8HP75, ZF8HP95 or Chrysler 850RE

This kit includes an optional oversized converter pressure regulator valve. While not always required, it is a reliable solution for severe wear. Tool kit #ZF8-TCREG-TK is required to install.

Corrects/Prevents/Reduces:

  • TCC codes, TCC lining failures
  • Harsh, soft and erratic shifts
  • Gear ratio and solenoid performance codes

Includes:

  1. Redesigned pressure regulator valve with calibrated spring and bushing
  2. Drop-in TCC regulator valve and spring
  3. Oversized pressure reducing (AFL) valve and spring (requires tool kit #ZF8-AFL-TK)
  4. Optional oversized converter pressure regulator valve (requires tool kit #ZF8-TCREG-TK)
  5. (2) End plug retainers
  6. (7) Solenoid damper rubber inserts