S&S Cycle MK136 Black Edition Engine with 550G Cam — 2017–2023 M8 Touring, Oil-Cooled — Race Only
S&S Cycle MK136 Black Edition Engine with 550G Cam — 2017–2023 M8 Touring, Oil-Cooled — Race Only
S&S Cycle MK136 Black Edition engine with a 550G gear-drive cam for compatible 2017–2023 Harley-Davidson Milwaukee-Eight Touring models with oil cooling.
- High-flow cylinder heads with premium seats, guides, valves, springs, and seals
- Intake and exhaust valves oversized by 1 mm; valves 0.030 inch longer than stock for improved valvetrain geometry
- Valve springs support a maximum lift of 0.605 inch
- High-strength alloy cylinder-head castings and enlarged exhaust-seat cooling passages
- S&S breather boxes and MK136 forged pistons
- S&S performance oil pump and cam support plate
- Premium tappets and tappet cuffs
- Billet aluminum covers, sprocket-shaft spacer, Champion spark plugs, and cam-cover badge
- Retains stock engine height; powder-coat finish matches the factory finish
- Dual-Spray Piston Cooling Jets, precision-machined oil scraper, enlarged oil sump, and contoured crankcase floor
Fuel and ignition systems are not included. Confirm exact motorcycle compatibility and installation requirements with JL Customs.
Restrictions: Race use only. This engine is not legal for sale or use in California on pollution-controlled motor vehicles.
Shipping: Contact JL Customs to confirm freight charges and delivery requirements before ordering.
Warning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Listed with a one-year warranty.Part number: 310-1289.