MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring Silhouette Seats Rocker Arms - Standard -

Rocker Arms - Standard - Front/Rear - Twin Cam | XL | XR1200

Include new-style billet end caps with internal machined flutes

better fitting

Seats are low

and windshield mounting screws

MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring Silhouette Seats Rocker Arms - Standard -MK136 Black Edition Engine Oil Cooled 49 State M8 Touring 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 475G gear drive cam Enlarged cooling passage around the exhaust seats S&S exclusive breather boxes Crankcase: Patented dual spray piston cooling jets