3-1/2" bore cylinders for stock, S&S Performance, and Super Stock Heads 1984-1999 Evolution Big Big Twin engines. On top of being constructed from superior materials, S&S replacement cylinders have thicker castings, larger cooling fins, and better wear resistance than stock cylinders. Super Stock pistons for 80" engines can be used with stock 80" flywheels without rebalancing.
Can be used with:
Cast pistons with stock heads or S&S Performance replacements
Forged pistons with S&S Super Stock cylinder heads
Cylinders are bored slightly under normal size and are not honed
Made in the USA
Product Note:
Specification
Details
Bore
3-1/2 in.
Color
Varies (make selection above)
Country of Origin
USA
Displacement
89 CI
Engine Type
Evolution Big Twin
Finish
Varies (make selection above)
Material
Aluminum
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.
That's correct - S&S Evolution cylinders are indeed sold in pairs. You'll only need to buy a quantity of one in order to replace both cylinders for the machine you select from our fit guide.
