These are long with a sharp angle cut correctly for 74-76 Trans Am. Will slide over 2 1/2" pipe. It is 8" from inlet to bottom start of curve, 11.5" from bottom curve to back and 13.5" from start of top curve to back.

1941 to 1983 Buick, Cadillac, Chevy, Oldsmobile, Pontiac Diameter- 5.5", Opening Diameter: 3 7/8".

NEW Chrome Valve Covers- Pair Pontiac Firebird Trans Am 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 All Pontiac V8 exc. Turbo (APE) W72 Note: They do not have oil drippers which came on later production engines. ...