These forged 89" stroker pistons for Harley-Davidson Evolution Big Twin engines directly replace S&S forged 92-2420 series pistons. They offer the same compression ratio, but increased strength with a low noise, low silicon, forged material. 3-1/2" bore.
Product Note:Only fits stock cylinder heads. For Evolution engines only.
Specification
Details
Bore
3-1/2 in.
Country of Origin
USA
Displacement
Varies (make selection above)
Engine Type
Varies (make selection above)
Piston Type
Forged
Size
Varies (make selection above)
Size Over Standard
Varies (make selection above)
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.
