This 4-1/4" stroke 8-1/2" diameter flywheel assembly replaces the original flywheel in Evolution engines
Flywheels are CNC machined from heat-treated, closed die, steel forgings, and are stronger than cast iron or late style steel flywheels
Dynamically balanced and fully assembled with premium quality S&S mainshafts and heavy duty 7.44" connecting rods
Made in the USA
Product Note:
Specification
Details
Country of Origin
USA
Diameter
8-1/2 in.
Engine Type
Evolution Big Twin
Material
Steel
OEM Reference
Varies (make selection above)
Stroke
4.25 in.
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
