The Story
Head flange 4B11, perfect for upgrading the turbo on your EVOX or adding boost to your 4B11 Lancer.
These high quality made in the USA flanges are 1/2″ thick made from 1018 steel. They feature full 3D CNC porting ensuring a smooth transition from the port shape to the runner piping without the need for porting/crushing the piping. The face of the flange features a 0.1″ recess to help concentrically locate the runners, perfect for 1-1/2″ SCH10 manifolds. Flanges priced each.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Head flange 4B11, perfect for upgrading the turbo on your EVOX or adding boost to your 4B11 Lancer.
These high quality made in the USA flanges are 1/2″ thick made from 1018 steel. They feature full 3D CNC porting ensuring a smooth transition from the port shape to the runner piping without the need for porting/crushing the piping. The face of the flange features a 0.1″ recess to help concentrically locate the runners, perfect for 1-1/2″ SCH10 manifolds. Flanges priced each.

















