Mishimoto 12-18 Jeep Wrangler JK Transmission Thermal Bypass Valve Kit 1987-chevrolet-corvette-esi5336236 Up to 14 Decibels Louder

Up to 14 Decibels Louder than Stock Under Heavy Acceleration

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1987-1991 Ford E-150 Econoline Custom 1983-2000 Ford E-150 Econoline XL 1980-1982

Cargo Areas Are 3D Laser-Scanned/A Better-Than-Factory Fit For Your Make And Model

Mishimoto 12-18 Jeep Wrangler JK Transmission Thermal Bypass Valve Kit 1987-chevrolet-corvette-esi5336236 Up to 14 Decibels LouderThe transmission in your 2012 2018 Jeep Wrangler JK is the heart of its drivetrain. Whether you're hauling groceries or hitting the trail, it's vital to keep it performing at its best, and keeping the transmission fluid cool is crucial to that goal. In an attempt to balance driveability and the health of your transmission, Jeep fitted a thermostatic bypass valve to the lines that feed the transmission cooler. This valve ensures fluid doesn't flow