S&S CYCLE MK136 Engine

S&S CYCLE MK136 Engine (Black Edition) – Oil Cooled, 136" Upgrade your Milwaukee-Eight Touring with the S&S CYCLE MK136 Engine, a black powder-coated, oil-cooled performance powerplant built for confident street riding across the 49-state landscape. Engine Highlights High-flow cylinder heads with premium seats, guides, valves, springs, and seals +1.00 mm oversized intake/exhaust valves for improved breathing Valves 0.030" longer than stock to enhance valvetrain geometry 0.605" max lift valve spring capability 475G gear drive cam for strong timing control Enlarged cooling passages around exhaust seats S&S exclusive breather boxes Bottom-End Performance Dual-spray piston cooling jets (patented) Precision machined oil scraper Enlarged oil sump with contoured floor for fast oil return MK136 Package Retains stock engine height Includes forged pistons , S&S performance oil pump, and cam support plate Premium tappets and tappet cuffs Billet aluminum covers, sprocket shaft spacer, Champion spark plugs, and cam cover badge Specifications: Color/Finish: Powder Coat Black; Displacement: 136" ; Piston Material: Forged; Cooling System: Oil Cooled; Riding Style: Street; Units: Each; Model: MK136; Weight: 174 lbs ; Dimensions: 28" x 25" x 20" .