MK136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring D604 Silhouette Solo Seat - Smooth

Silhouette Solo Seat - Smooth - Black - FLHR '97-'07

Bushings are 50% longer than stock

3 drain plug O-rings

Sprocket Shaft Assembly - for S&S SE/SL Flywheels - Big Twin '70-'99 (except '99 Twin Cam)

Works well in all size motors up to 10:1 compression

MK136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring D604 Silhouette Solo Seat - SmoothMK136 Black Edition Engine 550G Gear Drive Oil Cooled Race Only 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 550G gear drive cam Enlarged cooling passage around the exhaust seats S&S exclusive breather boxes Crankcase: Patented dual spray piston