Revolution Performance, Llc Cylinder Kit - RP201-171WG For Harley Motorcycles 1999-2017 Product Type_Fenders & License Plate Frames Same internal components as the

Same internal components as the Cobra PowrFlo air intake

Note: For use on '99-'06 Twin Cam models with S&S 98" big bore kits

Bore Size 4

Can also be used to clean chrome

This heat shield is not required with the stock M8 head pipe

Revolution Performance, Llc Cylinder Kit - RP201-171WG For Harley Motorcycles 1999-2017 Product Type_Fenders & License Plate Frames Same internal components as theFeatures 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