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 today using a Griptec Pulley kit! Includes one pulley size of choice. Select size at check out in comments section.
The Griptec Pulleys are interchangeable by size:
3.00" = STOCK BOOST STOCK Belt
2.85" = + 2 PSI BOOST K080690 Belt
2.75" = + 3 PSI BOOST (Requires 1050X Fuel injectors) K080690 Belt
2.65" = + 4 PSI BOOST (Requires 1050X Fuel injectors and Race Fuel) K080685 Belt
- GripTec 2.85” 8-rib bolt-on supercharger pulley
- 12 pt threaded HUB
- Griptec L3 finish on ribs
- American made with high-quality billet aerospace grade aluminum
- Fits 2020 Ford Shelby GT500
- As a general rule, 1 PSI boost is equivalent to 3 mm or .1” in pulley size
- Includes (1) 8-bolt pulley and(1) 12 pt threaded hub
- Note: Pulley tool in related items is required for installation
