Use GM metric caliper
Ford '74-'80 Pinto spindle
Strong and lightweight
Safely remove up to 13 lbs. from the front of your car vs. stock rotor
14.8# total rotor weight with 5/8" studs
Also drilled for 4-3/4" bolt pattern
IMCA, USMTS, UMP, WISSOTA Approved
Designed for use with the '74 - '80 Pinto/ Mustang II spindle
Use AFCO Brake Bracket 006-40122PL & 006-40122PR