Revolution Performance, LLC Monster Big Bore Cylinder Kit 117" Black With Highlighted Fins Twin Cam - RP201-171W For Harley Motorcycles 1999-2017 Brand_Nelson Rigg 125" Height 13

125" Height 13

10 selectable flash/strobe patterns

158" Intake Lift 0

Units Each Stem Diameter 0

Revolution Performance, LLC Monster Big Bore Cylinder Kit 117" Black With Highlighted Fins Twin Cam - RP201-171W For Harley Motorcycles 1999-2017 Brand_Nelson Rigg 125" Height 13Features Aerospace grade all aluminum cylinder with nickel silicon carbide (NSC) electroplated bore NSC plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan Includes pair of all aluminum NSC coated bore cylinders, custom forged pistons with high tension rings specifically designed for NSC cylinders and a head base gasket set Replacement gasket sets available separately Upgraded cylinders studs