Vehicle Fitment Information
Pistons & Top End
S&S Cycle Big Bore Kits for M-Eight
$2,836.95 - $2,925.95
Bolt-on large displacement cylinder and piston kits. Includes cylinders, 11:1 forged pistons, and all necessary gaskets and hardware for installation. Made in the U.S.A.
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132" Big Bore Kit
Bolt-on kit for 114"/117" engines. 4.320" bore and 4.5" stroke.
136" Big Bore Kit
Takes 107"/114"/117" to 136" displacement. Must be used with S&S stroker flywheel Part #0922-0168. 4.320" bore.
129" Big Bore Kit
Bolt-on kit for 107" engines. 4.320" bore and 4.375" stroke.
