Pontiac Grand Prix 3.0 Coupe USA, 3rd generation
Production period: 1968 — 1970
6.6 MT3 Grand Prix 400 Maximum
6.6 MT4 Grand Prix 400 Maximum
7.0 AT Grand Prix 428 Maximum
7.0 AT Grand Prix CJ 428 Maximum
7.0 MT3 Grand Prix 428 Maximum
7.0 MT4 Grand Prix 428 Maximum
7.0 MT4 Grand Prix CJ 428 Maximum
7.5 AT Grand Prix 455 HO Maximum