Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S.A. and are machine surfaced. These header flanges are specifically made for the small block Chevy splayed/canted valve heads.This flange fits the following GM small block splayed valve V8s, 262 4.3L, 265 4.3L, 267 4.4L, 283 4.6L, 302 4.9L, 305 5.0L, 307 5.L, 327 5.3L, 350 5.7L, 400 6.6L. This flange has round port dimension of 1.950".
Port Size: 1.950"
We carry over 250 different header flange designs, so if you don't see the flange you're looking for, talk with one of our tech reps about custom header flange cutting.
Flanges Sold Separately
