S&S Cycle Replacement Exhaust Valve for 89cc/91cc Super Stock Heads
Authorized Dealer of
89cc/91cc heads are found on S&S Twin Cam-style motors and Evolution-style motors and use 2.000in. intake valves and 1.605in. exhaust valves.
Exhaust made of Inconel alloy, Intake made of chrome stainless.
Made in the USA.
Question & Answers