S&S Cycle 2017+ M8 Models 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Black w/ Highlight - 310-1050B

107" to 124" Big Bore Kit, Winkle Black Finish with Fin Highlighting, Bolt on kit - No case machining required, 4.250" bore, Forged Pistons, 11:1 Compression Ratio.