Description
+30% increase in HP and torque over stock Short stroke for less vibration and longer engine life Shorter than stock engine height for easy installation Does not include carb or ignition; use stock or aftermarket carburetor and air cleaner High volume, high-pressure (HVHP) oil pump Durable S&S 3-pc. flywheels Performance 585 cam & valve springs 4-1/8″ x 4-1/8″ bore and stroke 9.8:1 compression ratio Black Edition, includes all the features of standard S&S engines, with gloss black engine covers in place of the standard chrome covers Made in the U.S.A.