A606 A604 (40TE/41TE/41AE/ 31TH) Transgo Junior Shift kit Fits All A604's 1988-UP This Shift Kit Corrects/Prevents/Reduces … Short smooth shifts Common Limp Causes Upgrades early designs to later specs Special ring/seal upgrades Reduces Hot and Cold Limp Mode This kit includes… Case, Valve Body & Accumulator Upgrade parts Heavy Duty and Normal Use settings If you need a Tech manual, rebuild kit or any additional parts for your A604 rebuild please see our store or ask us we will be glad to accomodate all of your part needs.