S&S Cycle MK136 Black Edition Engine with 550G Cam - 310-1289

Complete crate engine, fully assembled
High-flow cylinder heads with premium valves, valve seats, guides, springs and seals
Intake and exhaust valves are +1 mm oversized and 0.030in longer than stock for improved valve train geometry
0.605in lift valve springs
Gear-drive cam
High-strength alloy used in the cylinder head casting for improved strength at high temperatures
Enlarged cooling passages around the exhaust seats
S&S exclusive design breather boxes
Forged pistons
S&S Performance oil pump and cam support plate
Premium valve tappets and tappet cuffs
Billet aluminum engine and valve covers
Sprocket shaft spacer included
Champion brand spark plugs included
Retains stock engine height
Cam cover badge included
Black powdercoat finish matches the factory finish
Crankcase features dual-spray piston cooling jets
Precision-machined oil scraper
Enlarged oil sump
Contoured oil pan floor allows oil to easily drain back to the sump
Made in the U.S.A.