Revolution Performance, LLC Monster Big Bore Cylinder Kit 90" Black With Highlighted Fins - RP201-411W For Harley Sportster 1991-2020 Brand_Condor Made of steel with black

Made of steel with black powder coating finish

Features a 9 mm or 3/8" hole for attachment

944" Product Name Valve Seat Riding Style Street Application Intake

1973-1980 Harley-Davidson Electra Glide FL 1973-1980 Harley-Davidson Electra Glide FLH 1978-1980 Harley-Davidson 1200 Electra Glide FLH 1980 Harley-Davidson Electra Glide Sport FLHS 1980-1983 Harley-Davidson Wide Glide FXWG

2007 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1989-1996 Harley-Davidson Tour Glide Ultra Classic FLTCU 1990-2015 Harley-Davidson Softail Fat Boy FLSTF 1993 Harley-Davidson Softail Heritage Nostalgia FLSTN 1994-2007 Harley-Davidson Road King FLHR/FLHRC 1994-1996 Harley-Davidson Softail Heritage Special FLSTN 1996-2006 Harley-Davidson Electra Glide Classic FLHTCI 1996 Harley-Davidson Tour Glide Ultra Classic FLTCUI 1998-2002

Revolution Performance, LLC Monster Big Bore Cylinder Kit 90" Black With Highlighted Fins - RP201-411W For Harley Sportster 1991-2020 Brand_Condor Made of steel with blackFeatures 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