TH700-R4 Super Performance Rebuild Kit for GM 1987-1993

TH700-R4 Super Performance Rebuild Kit for 1987-1993 GM Transmissions

This complete Super Performance Kit is the ultimate upgrade solution for your 1987-1993 GM TH700-R4 (also known as early 4L60) transmission. It contains every component needed for a professional-level rebuild with significant performance enhancements.

Key Upgrades Include:

• High Energy 3-4 clutch module with thicker 0.080" plates
• Kevlar 2nd & 4th intermediate band
• Corvette servo piston and cover
• Heavy duty reaction shell
• 10 vane pump rotor kit
• Transgo Shift Kit Junior
• 0.500” TV boost valve and sleeve
• Upgraded 29 element forward sprag, low/reverse clutch, stator support, full bearing/bushing/washer kits, filter, TCC solenoid, and more

These premium parts address common TH700-R4 weaknesses such as 3-4 clutch burnout, intermediate band slip, soft or delayed shifts, and pump-related pressure loss. The result is noticeably firmer shifts, improved durability, and reliable performance under higher loads.

All components are new and ready for installation by professional transmission builders or experienced DIYers.