Description
Saleen S331 and S281, Series 6 and Series 6.5 Supercharger Pulley.
On a stock Mustang S281, approximately 5lbs of boost.
Metco no longer makes this size. If you wish to have this pulley re-produced, we can have this item manufactured and ready to ship within 14 to 21 days of purchase.

Whipple vented pulley stud nut, rotor nut, 12 point ARP, 12mm 