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1. TransGo 700R4 Street/Strip Shift Kit 1988-1993 w/Accumulator Pistons w/Seals, Pins & Corvette Servo
2. TransGo 700R4 Heavy Duty Shift Kit Late 1987-1993 w/Accumulator pistons w/seals, Pins, & Corvette Servo
3. TransGo 4L60E Street/Strip Shift Kit 1996-2006 w/Accumulator pistons, Corvette Servo, & predrilled TransGo Separator Plate
4. TransGo 700R4 Heavy Duty Shift Kit 1987-1993 w/Corvette Servo
5. TransGo 700R4 Heavy Duty Shift Kit 1982-1987 w/Accumulator pistons w/seals, Pins, & Corvette Servo


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Pro-Built Automatics :: TransGo Performance Shift Kits :: TransGo 700R4 Heavy Duty Shift Kit 1982-1987 w/Accumulator pistons w/seals, Pins, & Corvette Servo

TransGo 700R4 Heavy Duty Shift Kit 1982-1987 w/Accumulator pistons w/seals, Pins, & Corvette Servo
TransGo 700R4 Heavy Duty Shift Kit 1982-1987 w/Accumulator pistons w/seals, Pins, & Corvette Servo 
This kit is for the First Design valve bodies. 1982 thru early 1987's 700R4's have this valve body. If your valve body is the Second Design (late 1987), then you will need PN TGHD70087+ACC+CVS. This Shift kit corrects many of the problems that have plagued the early 700R4's. With this kit, I include the Corvette servo with the latest Viton apply "D" ring seals, cover & guide seal, valve body gaskets, new shift timing springs and governor springs to "correct" the shift timing problems that were prevalent in the 1982-1987 700R4's, and new torque converter lockup springs (adjusts when the torque converter will lockup). Torlon checkballs to replace the steel checkballs that ruin the valve body plate. A .471 Main boost valve & .296 Intermediate/Reverse boost valve are used to increase the torque capacity. New aluminum 4th accumulator piston and new accumulator pin. Reworked 4L60E PN8684428 2nd accumulator housing with hardened pin (RC52) and modified accumulator piston to replace the oem accumulator housing that does not hold up or wear very well. This combination gives the 700R4 the needed capacity (holding power) that is required to make this a Heavy Duty transmission. A fully furnaced brazed & bearing torque converter is recommended, along with an external transmission cooler. There is "nothing" in this kit that will harm the transmission.

* Corvette servo with Viton D-rings to replace the oem scarf cut Teflon sealing rings
* Cover and guide seals
* .471" Main boost valve
* .296" Intermediate/reverse boost valve
* Torlon checkballs to replace the steel checkballs the ruin the separator plate
* TCC and governor filters
* New accumulator piston and oem accumulator pin for the 4th accumulator
* Reworked 4L60E PN8684428 2nd accumulator housing with hardened pin (RC52) and modified accumulator piston to replace the oem accumulator housing that does not hold up or wear very well. Fixes accumulator leaks to a high degree
* Shift timing and governor timing springs for shifts at the right time
* New accumulator springs for the right shift firmness
* Necessary drill bits for separator plate modification
* Separator plate gaskets
* Complete instructions for valve body and separator plate modifications
* Optional pre-drilled separator plate (if needed) includes hardened corner plate to prevent the accumulator spring from destroying the separator plate. It is matched to your motor, rear end gear ratio, weight of vehicle and how you drive, etc.

Details
 
Part Number TGHD70082+ACC+CVS
Price: $144.35

Options
 
Pre-Drilled TransGo Separator Plate
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