Alloy Water Heated TORQUEMASTER Inlet Manifold HS4/6 HIF38/4
The single SU manifolds is developed to give maximum airflow and gas speed, yet fit all engines even if the standard air cleaner set-up is used. It has 1/2" pipe through it for heating with water and the as-cast finish provides maximum fuel atomization.
The plug 5/8UNF (supplied with manifold) should be thread locked into the manifold, with care taken not to wind all the way down.