GM Performance Transmission Parts

GM 700R4|4L60E|4L65E 4th Apply Piston Piston & Cover Super Servo by Superior

High Performance 700R4 / 4L60E / 4L65E 4th Apply Piston & Cover Super Servo by Superior Transmission Parts   BENEFITS OF SUPERIOR'S 700R4/4L60E SUPER SERVO 4th Apply Piston New HD 4th Apply Piston & Servo Cover Larger apply area over O...

GM 4L60E|4L65E HD PWM Bolt-On Bell Housing Pump Adapters by Superior

Heavy Duty 4L60E Transmission PWM Bolt-On Bell Housing Pump Adapters Problem Solver by Superior Transmission Parts When GM released the bolt-on bell housing in 4L60E transmissions, a lip was added to the pump body for alignment and support.  This...

GM 700R4|200-4R Upgraded TV & Sleeve by Superior (1980-UP)

HD GM 700R4 & 200-4R Transmission Boost Valve & Sleeve Heavy Duty & Street/Strip Applications BENEFITS OF SUPERIOR'S 700R4 UPGRADED TV VALVE & SLEEVE Replaces worn out OE valves Made of hardened steel to resist wear Valve boost...

GM 700R4|200-4R Upgraded Low Reverse Boost Valve & Sleeve by Superior (1980-UP)

HD GM 700R4 & 200-4R Transmission Low/Reverse Boost Valve & Sleeve Heavy Duty & Street/Strip Applications Helps Keeps the Transmission in Manual Low to a Higher MPH Benefits of Superior's 700R4 Upgraded Boost Valve & Sleeve Replaces...

GM 700R4|200-4R High Gear Lock Up Package by Superior (1980-UP)

GM 700R4 & 200-4R Transmission High Gear Lock Up Package by Superior Transmission Parts Fits All Years of 700R4/200-4R 1980s and early 90s Models This high gear lock up package specially designed for 200-4R and 700R4 GM transmissions by Superior...

GM 700R4|4L60E Super Servo by Superior (1982-UP)

High Performance 700R4 / 4L60E Super Servo by Superior Transmission Parts  Voted as One of Transmission Digest's "10 Best Transmission Products" Great for heavy service trucks, towing, racing and off-road applications! This 700R4/4L60E Super Servo...

GM 4T65E Forward Band Servo Release Spring by Superior (1997-UP)

Heavy Duty GM 4T65E Forward Band Release Spring Fits All 4T65E Automatic Transmission from 1997 and Up Superior developed this 4T65E forward band release spring to virtually eliminate the neutral to drive band into gear on take off that so many 4T65E...

GM 700R4/4L60E 4th Gear Servo Return Spring by Superior (1982-UP) Pack of 3

High Performance 4th Gear Servo Return Spring GM 700R4 & 4L60E Automatic Transmissions Helps Eliminate 2/4 Band Burning Up! Quality Aftermarket Transmission Upgraded!   PACK of 3 SPRINGS   Superior Transmission Part Number: K004

GM 700R4/4L60E 4th Gear Servo Return Spring by Superior (1982-UP)

High Performance 4th Gear Servo Return Spring GM 700R4 & 4L60E Automatic Transmissions Helps Eliminate 2/4 Band Burning Up! Quality Aftermarket Transmission Upgraded!   This item is for one upgraded Superior 4th gear servo spring.  Please...

GM TH350 Posi Shift Kit by Fairbanks (1969-1979) Heavy Duty & Street/Strip

High Performance Turbo 350 Posi Shift 2 Stage Kit 1969-1979 Models Heavy Duty & Street/Strip Applications Step Up Your TH350 Without Removing Your Transmission!   WHY USE THIS TH350 POSI SHIFT KIT Firms up 1-2 and 2-3 shifts Includes...

GM TH400 TransAction Shift Kit by Fairbanks (1965-UP) Heavy Duty, Street/Strip, Manual Control & Full Competition

Fairbanks Turbo 400 TransAction Shift Kit 1965-UP GM TH400 Transmissions Offers 4-Levels of Performance Heavy Duty: Use for towing, off-road vehicles, campers, motor homes/RVs, trailers, and any other vehicle that does a lot of stopping and going...

GM TH400 Posi Shift Kit by Fairbanks (1965-UP) Heavy Duty & Street/Strip

High Performance Turbo 400 Posi Shift 2 Stage Kit Heavy Duty & Street/Strip Applications Step Up Your TH400 Without Removing Your Transmission!   Why Use This TH400 Posi Shift Kit Fairbanks's Posi Shift Kits will firm up the 1-2 and 2-3 shifts...

4L60E 700R4 3-4 Clutch Powerpack w/ Tan Frictions

057757B Contents: (Regular & Heavy Duty) (9) 057704A (.062” / 1.58mm) Friction Plates (1) 057713 (.125” / 3.18mm) Steel Plate (2) 057725 (.076” / 1.93mm) Steel Plates (8) 057725A (.060” / 1.52mm) Top Backing Plates (1)...