FITS:

2007-up TWIN CAM AND 1999-06 TWIN CAM with upgraded Screamin' Eagle Crank or 4-5/8" Stroker Crank

Monster torque and horsepower that you want with the reliability that you need

Revolution aerospace-grade, all-aluminum cylinders with nickel-silicon-carbide electroplating

Full 4.250 in. bore

Wiseco forged pistons with rings; specially designed for perfect compatibility with Revolution Performance's cylinder plating

Includes wrist pins, circlips and head and base gaskets

Granite finish

Replacement gasket sets available separately

Made in the U.S.A.

NOTE: Requires use of big bore carb or throttle body

NOTE: Case-boring required.