- 4T65E Superior Shift Kit 1997-up
This valve body kit deals with these problems: * Inadequate line pressure * Premature clutch failure * Slow or intermittent line rise * Excessive TCC. slippage (Codes) * Slide bang forward engagements * Regular & Heavy Duty-Taxi
The kit includes a new "Superior Steel Series" Hardened Boost Valve & Sleeve. Superior claims this kit definitely improves the overall performance of the 4T65-E.