Fitment： For Chevy big block Mark IV 6.6L/402 1970-1972 V8 For Chevy small block Gen I 5.7L/350 1967-1973 V8 For Chevy big block Mark IV 6.5L/396 Street 1966-1970 V8 For Chevy small block Gen I 5.4L/327 Street 1966-1969 V8 For Chevy big block Mark IV 7.0L/427 Street 1966-1969 V8 For Chevy big block Mark IV 7.4L/454 1970-1973 V8 For Chevy small block Gen I 6.6L/400 1970-1973 V8 For GMC 1967-1968 V8 Chevy small block Gen I 5.4L/327 For GMC 1968-1969 V8 Chevy big block Mark IV 6.5L/396 For GMC 1969-1973 V8 For Chevy small block Gen 5.7L/350 For GMC 1970-1973 V8 Chevy big block Mark IV 7.4L/454 For GMC 1971-1972 V8 Chevy big block Mark IV 6.6L/402. .
