2015+ Mustang GT 10 rib crank pulley to be used with the ATI Performance Products # 918047 harmonic balancer. This is a different pulley than what is used with the OEM Ford harmonic balancer.
** This crank pulley is also used with the ProCharger Coyote Transplant Kits **
Includes the following items:
(1) DC018A-039 - 8 INCH DIAMETER 10 RIB ATI CRANK PULLEY
(3) BO06CI-040-1 - 3/8 - 16 X 2-1/2" BOLT
(3) WA06I-14-2 - 3/8 WASHER