For BBC Big Block Chevy 396 402 427 454 Satin Oval Port Intake Manifold

CHEVROLET 1965-1970 V8 Chevy big block Mark IV 6.5L/396 4-barrel square bore Oval port. CHEVROLET 1966-1969 V8 Chevy big block Mark IV 7.0L/427 4-barrel square bore Oval port. CHEVROLET 1970-1972 V8 Chevy big block Mark IV 6.6L/402 4-barrel square bore Oval port.