S&S CYCLE

S&S Cycle 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1227

S&S Cycle 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1226

S&S Cycle 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 310-1225

S&S Cycle 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1224

S&S Cycle 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 310-1223

Large displacement, high flowing S&S heads, and gear driven 640 cam result in large horsepower increase over stock engine124 cubic inch displacement at 10.8:1 compression4-1/8" bore X 4-5/8" stroke1...

+30% increase in HP and torque over stockShort stroke for less vibration and longer engine lifeShorter than stock engine height for easy installationDoes not include carb or ignition; use stock or...

+30% increase in HP and torque over stockShort stroke for less vibration and longer engine lifeShorter than stock engine height for easy installationDoes not include carb or ignition; use stock or...

+30% increase in HP and torque over stockShort stroke for less vibration and longer engine lifeShorter than stock engine height for easy installationDoes not include carb or ignition; use stock or...

For those who don’t want to go “big inch”, the S&S V80 engine provides a performance solutionWith the same displacement and physical dimensions as a stock Harley-Davidson® Evolution® engine, the V80...

Stock-height basic engine is direct bolt in replacement for aging 80" H-D Evolution enginesDoes not include carb or ignition; use stock or aftermarket carburetor and air cleaner508 camForged rocker...

Stock-height basic engine is direct bolt in replacement for aging 80" H-D Evolution enginesDoes not include carb or ignition; use stock or aftermarket carburetor and air cleaner508 camForged rocker...