S&S, KNUCKLEHEAD TAPPET BLOCK, REAR. SILVER

S&S, Knucklehead tappet block, rear. Silver

Cast iron tappet guide with a silver powder coated finish. Used in the S&S KN-series (Knuckle) engines, will also fit stock 36-47 Knucklehead engines. Includes gaskets and mounting hardware. Repl. 18610-36 rear tappet guide. Note: See 531596 for front & rear set.

Fits: > 36-47 Knucklehead+ All S&S KN-series (Knucklehead style) engines