S&S Cycle introduces the next generation of Proven Performance for 2017 to 2023 Harley-Davidson M8 Touring Models (oil-cooled).
The S&S MK136 Crate Engine is the newest version of the complete crate engines for which S&S Cycle has developed a worldwide reputation and loyal following. They took their MK-Series Crankcases, married them to 136 cubic-inch cylinders and flywheels, and fit high-flow cylinder heads with +1mm oversized intake and exhaust valves and .605″ max-lift valve springs.
The big-displacement engine is designed, engineered, and developed to not only create huge power, but also put a huge smile on your face when you roll on the throttle.
Equipped with a 475 cam, the S&S MK136 Crate Engine produces up to 121.65 horsepower and 145.41 foot-pounds of torque.
Here are the engine specifics:
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 valve-train geometry
- .605” max-lift valve springs
- High-strength alloy used in cylinder head casting for improved strength at high temperatures
- Enlarged cooling passage around the exhaust seats
- S&S-exclusive breather boxes
Engine Components
- 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
- Powdercoated finish matches factory finish
- Huge displacement increase means a huge power increase
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
To find out more, go HERE
ENTER TO WIN AN S&S MK136 CRATE ENGINE
One lucky motorcyclist will win an S&S Cycle MK136 Crate Engine, along with a VIP Experience at the S&S Headquarters. To enter now, go HERE
