High Performance Solutions

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...

Ford AOD Posi Shift Kit by Fairbanks (1981-UP) Heavy Duty & Street/Strip

High Performance Ford AOD Posi Shift 2 Stage Kit Heavy Duty & Street/Strip Applications Improve the shifting performance in your Mustang, Cougar, Thunderbird, Bronco, Ford pick up or LTD!   WHY USE THIS TH400 POSI SHIFT KIT Fairbanks's Posi...

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...