C1 Apply Boost Valve Kit 168740-01K Helps cure: Delayed engagement C1 Clutch burned Poor shift quality
C4 Apply Boost Valve Kit 168740-02K Helps cure: C4 Clutch burned 4th & 6th Gear shift concerns Poor shift quality
Forward/Reverse Accumulator Piston Kit 168740-05K Fits either of two locations. Helps cure: Slips in Forward & Reverse Delayed engagement Poor shift quality Harsh engagement