Dynatech SB Chevy Stahl Header Adapter H759C04S 100% machined surface design provides

100% machined surface design provides the tightest tolerances in the industry

protect heat sensitive underhood components

(if installed)

Weighs over 50-percent less than stock motor mounts

Which Pressure Sensor is right for you

Dynatech SB Chevy Stahl Header Adapter H759C04S 100% machined surface design providesProduct Description: Header Flange Adapter 0. 625 in Thick 1. 125 in Square Port Left Right Side Included Aluminum Small Block Chevy to Stahl Pattern Dynatech continues to be the exhaust leader in all forms of racing and high performance applications. You can be assured that you will get all the performance and quality possible from your Dynatech headers.