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RoadEngine & PerformancePistons & Top EndS&S 129" Power Packages for M-Eight
Pistons & Top End

S&S 129" Power Packages for M-Eight

$5,956.95 - $6,311.95

Big-bore bolt-on kit increases your 107" M-Eight to 129" with no case machining required. Includes 4.32" bore cylinders with 11:1 forged pistons, S&S oil pump/cam plate, quickee pushrods, tappets, cuffs, cams, valve springs, and all necessary gaskets and hardware.

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