Sprocket Shaft Assembly - Motor - S&S E/Stock Flywheels - Big Twin '36-'54 Jacket pressure relief valve allows constant

pressure relief valve allows constant oil flow through remote oil cooler with total protection from starving engine from oil flow

15°-25° cooler engine temperatures for M-Eight Twin-Cooled™ motors and M-Eight Oil-Cooled motors

575" exhaust valves maintain port velocity in smaller displacement engines for good low and midrange response

blow by and oily air cleaners

PART # 5554 EC

Sprocket Shaft Assembly - Motor - S&S E/Stock Flywheels - Big Twin '36-'54 Jacket pressure relief valve allows constantSprocket Shaft Assembly Motor S&S E Stock Flywheels Big Twin '36 '54 Include tapered shaft, motor sprocket nut and keys Fits S&S E or stock flywheels Made in the USA