All of our Billet Pro Shop Pulleys are stock look and made of steel.
Precision machined bore
Press fit just like OEM
Machined to OEM specs
Uses 1045 Steel Alloy (stronger than the OEM Pulley steel)
All pulleys are black zinc coated for a nice and long lasting finish
Requires 90 MM Idler Pulley
Fits 2007 - 2012 Eaton and TVS Superchargers
Use your Stock Belt
Engineering and Manufacturing note:
The final manufactuing step is honing the bore to achieve the best fit which is .0002 tolerance. This ensures that the bore is perfectly straight.