JMS TractionMax Computer Module - Various GM Truck / SUV Applications 2007-20 NPT to Hose Barb Fittings Each pulley has windows cut

Each pulley has windows cut to help reduce rotating weight

Various years of Chevrolet/GMC pickups with custom installation

Designed for the customer with a mildly built engine and a desire for a racy dual inlet look

1 11/16" Bores 1" Height Phenolic Spacer

7/16-14 in Base Thread

JMS TractionMax Computer Module - Various GM Truck / SUV Applications 2007-20 NPT to Hose Barb Fittings Each pulley has windows cutTractionMAX Designed for BIG Horsepower, Traction Limited Vehicles Optimize Acceleration and Traction Dual Adjustment Dials Included Factory and Aftermarket Tuning Compatible Product Description: Computer Module TractionMax Various GM SUV Truck Applications 2007 20 JMS CHIP & PERFORMANCE WE MAKE FAST CARS FASTER! JMS is a manufacturer of high quality automotive electronic components. We develop and design reliable products that will improve the