Jeep 4.2L/258 I-6 Mild Steel Header Flange

Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the Jeep 4.2L (258CID) Straight-6 cylinder heads. Many aftermarket heads may utilize the factory bolt pattern.�

These heads can be found on 1971-1990 AMC 258 applications, including CJ's, YJ's, Wagoneers, J-Series Pickups, AMC Eagles, and more. Further compatible with the 1981-1983 CJ5 & 1981-1987 CJ7.

Port Size: 1.88"

Gaskets: These mate to the Charismatic Racing gaskets #CRC-GKTSETJEEP81+YP

We carry over 350 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.