Description
Billet head flange for atlas engines. raised pad for welding tube to flange which makes it a smaller area so less heat input needed. Machined for OEM orings on the back side. 4200 flange has threaded crank case breather and comes with custom -6 fitting. Avaiblable in 4,5 and 6 cylinder versions.
Comes with the following
1x Billet head flange










