S&S Cycle MK136B Black Edition 49 State Engine for '18-20 M8 Softail Models
Introducing the next generation of Proven Performance for your 2018-2020 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
This item does not ship free, freight charges apply
Freight Charges:
- If you do not require a lift gate to unload the engine upon delivery, select: Freight WITHOUT Liftgate $250.00
- If you do not have a forklift or a suitable loading dock to unload the engine upon delivery, select: Freight WITH Liftgate $300.00
DISCLAIMER: Not legal for sale or use in California on any pollution-controlled motor vehicles.
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 go to www.P65Warnings.ca.gov