MK136 Black Edition Engine - Oil Cooled - 49 State - M8 TouringMK136 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

Improves valve timing accuracy by eliminating timing chain lash

Fit most generator motors

if a cooler is not needed

Reduces friction and considerably lowers the force needed for easy breakaway in the initial stroke of travel

18 mm O2 Ports with 18 mm Plugs supplied

Contains nearly everything needed to take a stock 74" or 80" H-D

Includes Natural crankcase with black powder-coat cylinders

For 80" stock big twin motors

Fastener Kit - Cam Plate/Oil Pump - OE+ - M8

60-18 - 63P

Will work with Tour Packs

The V80 is built from the same superior materials as S&S larger performance engines