S&S Cycle Flywheel, Assembly, 4-1/2" Stroke, SF3, Full Widthwristpin,

Feature three-piece assembled flywheels with shafts

Do not require any motor case modification

103" stock motors or motors with factory 95" kits require piston kit only; stock or S&S cylinder heads can be used

Stock cylinders will require boring to 3.875"

Made in the U.S.A.

Fuel-injected motors will require recalibration of the fuel-injection system.

This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

4-1/2" stroke