Description
Saleen S331 and S281, Series 6 and Series 6.5 Supercharger Pulley, made by Metco, 3″.
On a stock Mustang S281, approximately 13lbs of boost. Requires machine work to drive snout. No directions included. Machine work can be done at JB Performance for an extra fee.

3.5" 6 rib, ribbed idler pulley 17mm OD and zero offset
Pulley bolts
2300AXO Whipple / Lysholm pulley 2.75" to 3.75"
3.75" 6 rib pulley, standard offset, 4 bolt
Replacement 17mm x 27mm rear needle bearings 