S&S MK136 Black Edition Engine with 550 Cam for 2017-2023 Harley Touring

Description

Product Description

Complete 136″ Crate motor from S&S.

Fits: 2017-2023 Harley Touring Models (Oil-Cooled)

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
• Enlarged cooling passage around the exhaust seats
• 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

MK136

• 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 

Additional Information

SKU

310-1289

Emissions Notice Fitment