131" Hot Set Up® Engine Performance Kit

131" Hot Set Up® - 4-5/8" Stroke - Black Granite w/Highlight - M8

• Updated profile eliminates frame and lifter block clearance issues
• Original engine serial numbers are retained
• Powder coat finish matches factory finishes
• Retains stock engine height
• Includes 131" cam cover badge
• Bolts in with no machine work for '17-'25 Touring models equipped with standard factory 114" or 117" M8 engines that feature 4-5/8" stroke from the factory.
• Requires crankcase split and component upgrades to fit '17-'25 M8 Touring 107" models and '18-'25 Softail models.
• Specifically engineered for a 4-5/8" stroke. Must be paired with an aftermarket 4-5/8" stroker flywheel assembly to achieve 131" displacement on 107" and Softail models.
• Works with stock crankcases: Cylinder spigots are designed to slide into the original factory cases.
• Cylinders and pistons kit only, flywheel sold separately.