Pn# - INL11342 -2 rotors 1967-69 GM F-Body - Camaro / Firebird / Nova, 1967-70 GM A-body Chevelle, GTO, 442, Skylark, Monte Carlo, Grand Prix, 1967-70 Nova, Front Disc 2 part Rotor for Disc Brakes. This is the factory style rotor that is 2 parts and the only rotor that will work with the 4 piston calipers but was used in 69-70 with the single piston calipers. This is the original style rotor for all 67-68 with 4 piston calipers and 69-70 with single piston calipers. These are the details that separate the first place cars from the rest.