S&S Cycle 74" Knuckle


Image of S&S Cycle 74" Knuckle

Flathead Power KN-Series engines are very close in appearance to a stock knucklehead engine but offer a number of modern features for more power, better engine life and improved reliability. Ideal for bikes with stock drive train. Won’t break your stuff!


1936 – 1999 chassis

Features and Benefits

Standard 74" compression 7.5:1
Authentic generator style crankcases
Super E carburetor
346 camshaft
Super Stock® ignition
Hi-temperature black cylinders and heads
One year warranty