ENGINE MK136 BLACK OIL COOLED 475G CAM WBLACK 2017-UP M8

475G gear drive cam Cylinder Heads: High-flow cylinder heads with premium seats, guides, valves, springs, and seals +1.00 mm oversized intake and exhaust valves Valves are 0.030" longer than stock for improved valvetrain geometry 0.605" max lift valve spring Enlarged cooling passage around the exhaust seats S&S exclusive breather boxes Crankcase: 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: Retains stock engine height Includes forged pistons, S&S performance oil pump and cam support plate, premiun tappets and tappet cuffs, billet aluminum covers, sprocket shaft spacer, Champion spark plugs and cam cover badge