Clear Anodized aluminum for wear resistance.

Dual 3/16" keyways to fit F-series ProCharger

Dual 1/8" keyways to fit Paxton NOVI 2000 / 1000 / 2500, as well

3.40" 8 rib pulley, w/ 7/8" (0.875") bore, fits ATI ProCharger P1SC D1SC D1 D2 F1 F2 F3, approximately 0.10" shoulder, and 0.50" shoulder

Condition is New.

Shipped with USPS Priority Mail.