DESCRIPTION
JDM Engineering has used Griptec for many Supercharger pulley applications even including our Cobra Jet Race cars!
Add more boost and Horsepower to your 2020+ GT500 / Raptor R today using a Griptec Pulley kit! Includes one pulley size of choice.
The Griptec Pulleys are interchangeable by size:
3.00" = STOCK BOOST STOCK Belt
2.85" = + 2 PSI BOOST
2.75" = + 3 PSI BOOST (Requires 1050X Fuel or bigger injectors)
2.65" = + 4 PSI BOOST (Requires 1050X Fuel or bigger injectors and Race Fuel)