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    4-1/8" Bore Cylinder Set for 124" V-Series Engines - Polished

    Item #: 910-0273
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    This 4-1/8" bore polished cylinder set is 5.013" in length. It is for 124" V-Series Engines for 1984-'99 big twins.

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    S&S 4-1/8" pistons are machined to such close tolerances that it is not necessary to measure the piston. Additionally, the low friction coating on the piston skirt makes taking measurements very difficult. Therefore, hone cylinders to nominal diameter +/- 0.0005" for correct clearance. Not legal for sale or use on CA or EPA pollution controlled vehicles.