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.
Warranty
1 Year Manufacturer Warranty
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.