S&S Cycle 2017+ M8 131in 4-5/8in Stroke Hot Set Up Kit - Wrinkle Black w/ Highlight

The S&S Cycle 131" kit for 2017 and up M8 is the perfect sleeper package. Boost your engine displacement to get some big numbers at the rear wheel, without advertising it. The kit bolts in with no machine work required and keeps your bike looking stock for the "sleeper" approach. Our 131" kit includes all the necessary gaskets for the installation and if you want to tell everyone what you have, a new 131" badge is included for your cam cover.

• 11.0:1 compression ratio
• 4.250" bore, 4.625" stroke
• Huge displacement increase means huge power increase
• Includes 131" Cam Cover Badge
• Original engine serial numbers are retained
• Powder coat finish matches factory finishes
• Retains stock engine height
• With headlight
• Works with stock crankcases

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