AJPE/Proline 481x/SME SMX Stainless Header Flange

Precision laser cut form 3/8" thick 304 Stainless Steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are compatible with the aftermarket AJPE and ProLine Racing 481x cylinder heads, as well as the Steve Morris Engines (SME) SMX heads.

We have these available in 2 1/4", 2 3/8", and 2 1/2" port sizes

We carry over 450 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting.

Flanges sold separately.