S&S Cycle 2018+ Oil Cooled M8 Softail Models MK136B Black Edition Engine w/ 550G Cam

310-1295

Introducing the next generation of Proven Performance for your 2018-2024 H-D® Softail® Models, the MK136B Engine . This is the newest version of the complete crate engines S&S is known for, ready to install in your M8 Softail. We took our MKB-Series Crankcases, married them to the 136” cylinders and flywheels, and then fit High-flow cylinder heads with +1mm Valves and .605” springs. This is everything you need to have the largest, most powerful, and most reliable crate engine on the market today. Cylinder Heads High-flow cylinder heads with premium seats, guides, valves, springs, and seals +1mm oversized intake and exhaust valves Valves are .030” longer than stock for improved valvetrain geometry .605” max lift valve springs High-strength alloy used in cylinder head casting, improved strength at high temperatures S&S Exclusive breather boxes Crankcase All premium quality components Patented Dual-Spray Piston Cooling Jets Precision machined oil scraper Enlarged oil sump Contoured floor allows oil to easily drain back to the sump MK136B Forged pistons S&S performance oil pump and cam support plate Premium tappets and tappet cuffs Billet aluminum covers Sprocket shaft spacer included Champion spark plugs Retains stock engine height Includes Cam Cover Badge Powder coat finish matches factory finish Huge displacement increase means a huge power increase