S & S- MK136B M8 Softail Black Edition Crate Engines
Available in versions for ' 18- ' 20 49-state and ' 18- ' 24 race only applications, these MK136B Black Edition M8 Softail engines are described as " the next generation of Proven Performance." These are the newest versions of the complete crate engines that S & S is known for, ready to install in your customer ' s M8 Softails. " We took our MKB-Series Crankcases, married them to the 136 " cylinders and flywheels, and then fit High-flow cylinder heads with + 1 mm Valves and. 605 " springs. This is everything you need to have the largest, most powerful, and most reliable crate engine on the market today."
factory-match finish. " The huge displacement increase means a huge power increase. Simple." The street legal ' 18- ' 20 version is not legal for sale or use in California but is Qualified Manufacturer Declared 49-state Federal Emissions Compliant for M8 Softails except for Fat Bob, FXDR and Sport Glide.
S & S CYCLE INC. Viola, Wisconsin, USA Tel: 608 627 1497 sscust @ sscycle. com www. sscycle. com
High-flow cylinder heads with premium seats, guides, valves, springs, and seals have + 1 mm oversized intake and exhaust valves that are. 030 " longer than stock for improved valvetrain geometry. They have exclusive S & S breather boxes and. 605 " max lift valve springs. The high-strength alloy used in the cylinder head casting has been tested to deliver improved strength at high temperatures. The crankcases are all premium quality, with patented dual-spray piston cooling jets, precision machined oil scraper, enlarged oil scraper and a contoured floor that allows oil to easily drain back to the sump. The MK136B has forged pistons; S & S performance oil pump and cam support plate; premium tappets and tappet cuffs; billet aluminum covers and included sprocket shaft spacer and Champion spark plugs. The stock engine height is retained, and the finish includes a Cam Cover badge, and powder coat
38 AMERICAN MOTORCYCLE DEALER- OCTOBER 2025 www. AMDmag. com