PTG 3.30 Inch Supercharger Drive Pulley
Easily increase or decrease boost on your PTG 4 Liter Supercharger system by changing your upper pulley sizing.
The stock sizing for the PTG 4L System is 3.70" and this is 3.30". A general rule of thumb is 1psi increase for every .125". This will be about 3psi increase in boost.
Please be sure to check boost levels when changing pulley sizes!
- 3.30 Inch Billet Aluminum Upper Supercharger Pulley
- 5 new Hex Head Mounting Bolts