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Product Note:1990-1999 Evolution Big Twin require S&S Pinion Shaft Conversion Kit 33-4148 to complete installation, (sold separately).
Specification
Details
Country of Origin
USA
Diameter
8-1/2 in.
Engine Type
Evolution Big Twin
Material
Steel
OEM Reference
23906-90 / 23906-93B / 23906-90A
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.