Exhaust Manifold Header for Chevy GMC V8 396 402 427 454 502

Description:

Model:Camaro ,Chevelle ,Nova,

1 3/4'' primary tube diameter,3.000'' collector diameter,3/8'' thick flange

Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts.

Fitment:

Fit for BBC 396 402 427 454 502 V8 Engines.