1978 - 1987 Chevy Malibu, Monte Carlo, 
Pontiac Grand Prix, Olds Cutlass, Buick Regal.
Also Camaro 70 - 81 and Monte Carlo 72 - 77
Clears side and rear engine mounts. 

 Will Fit straight or angle plug heads.
  Will clear stock manual clutch linkage ball. Must use short oil filter. Will not clear air-condition box

These headers freature 1 3/4" primary tubes and have 3 1/2" by 8" long collectors.