Vehicle Fitment Information
Pistons & Top End
S&S Cycle 128" Power Packages for M-Eight
$0.00 - $6,135.95
Big-bore bolt-on kit increases your 114"/117" with 4.5" stroke M-Eight to 128" with no case machining required. Features 4-1/4" bore cylinders with 11:1 forged pistons, S&S oil pump/cam plate with blue anodized finish, premium tappets, quickee pushrods, and S&S 550 cams designed for big bore applications. Includes all necessary gaskets, bearings, and hardware.
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Oil-Cooled
Designed for Oil-Cooled M-Eight Engines.
Water/Oil-Cooled
Designed for Twin-Cooled (Water/Oil-Cooled) M-Eight Engines.
