Description
Saleen S331 and S281, Series 6 and Series 6.5 Supercharger Pulley, made by Metco, 2.8″.
On a stock Mustang S281, approximately 14lbs of boost. Requires machine work to drive snout. No directions included. Machine work can be done at JB Performance for an extra fee. PLEASE NOTE that belt slip increases above 12psi. Tightening the belt will just decrease reliability of the supercharger.
DISCONTINUED

Timing bolt button head style
Replacement Front Seal 30mm OD Pulley Hub
Replacement bypass needle bearing set
Replacement drive coupler pins 30mm long
Whipple vented pulley stud nut, rotor nut, 12 point ARP, 12mm
Drive snout rebuild kit for 3 5/16" and larger
Rotor seal shaft sleeve
Refurbished ceramic coated G3 M90, MP90 Supercharger rotors
supercharger rotor pack seals- left and right 