Kolvar S&S 3-5/8" borr +.010",med ringar

These forged 3 5/8" bore stroker piston replaces several cast and forged big bore pistons that S&S^® previously offered.

Applications for this piston include

88" (4 1/4" stroke)

93" (4 1/2" stroke)

96" (4 5/8" stroke)

engines with stock 8 1/2" diameter flywheels

98" (43/4" stroke)

103" (5" stroke)

engines with 8 1/4" small diameter flywheels.

As with the new stock bore stroker piston, the modern metallurgy and advanced skirt profiles allow a relatively close piston fit for low engine noise and long engine life. S&S^® will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option).

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