Description:
Harder, stronger shifts.
JET's 4th Gear et Powr-Servos install in the valve body and hold the overdrive band with greater force. They will work in combination with the Powr-Servos or et Powr-Servos.
Jet Performance Products is a proven leader in automotive tuning technology. Our background in tuning started with Jones Performance Fuel Systems over 35 years ago. Our Fuel Systems Division has given us the opportunity to tune everything from NHRA drag race cars, off-road race trucks and Winston Cup cars. This experience has been the basis for our line of performance tuning products for street applications. JET's engineering staff is unsurpassed and considered to be the best tuners in the industry. Our talented staff has made the company what it is today.
