AAOK

S&S Big Port Iron KNUCKLE HEADS complete - ready to bolt on

For all 1936 - 1947 Knuckle motors

Ready to bolt on with improved S&S Rocker/Valve Covers

Set up for .480" lift Cam & will accomodate stock or 3-5/8" bore cylinders

Heads have stock 1-3/4" Exhaust Valves, but larger 1.940" Intake Valves

Supplied with your choice of Rubber Band Manifold Inserts or Stock 1940 type Plumber Manifold Inserts

Heads ae shipped Assembled or Unassembled - your choice

Available with either 14mm or 18mm spark plug hole

Heads use Pan/Shovel Head Bolts with 7/16x20 Thread

Cast from high quality engineering grade grey iron, and have a stock-look black powdercoat finish

Built to your order - so allow a few weeks for delivery