Description
Replacement zinc plated pulley drive snout nut with nylock center to keep pulley nut from working loose. Pulley nuts of this type should be replace if the center section becomes worn. They have a limited number of uses.
Also fits Jackson Racing Jackshafts.

Replacement jackshaft MP series front pulley nut
SERVICE: 89-95 Thunderbird SC, 89-90 Cougar 3.8L M90 Supercharger Rebuild
Full rebuild kit MP45, MP62, MP90, MP112 with extended drive snout, short shaft 