The Wilwood Dynapro front brake kit for 1970–1981 F‑Body and 1975–1979 A & X‑Body applications includes 11.75-inch rotors with red calipers, intended for use with a Pro Drop spindle. The listing specifies rotor size and caliper finish along with the required spindle compatibility to guide buyers replacing or upgrading front brakes on classic F‑Body and A/X‑Body models.
Wilwood 70-81 FBody/75-79 A&XBody Dynapro Frt Brk Kit 11.75in Rtr Red Caliper Use w/ ProDrop Spindle