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 2023 Harley-Davidson Softail Fat Bob

2023 Harley-Davidson Softail Fat Bob 114 FXFBS 2018-2019 Harley-Davidson Softail Fat Bob FXFB 2022 Harley-Davidson Softail Street Bob 114 FXBBS

875" Material Steel Product Name Gasket Kit Riding Style Street Thickness 0

4+ 2025 Aprilia Tuareg 660 Rally 2025-2026 Can-Am Origin 2025-2026 Can-Am Origin '73 2025-2026 Can-Am Pulse 2025-2026 Can-Am Pulse '73 2025 Royal Enfield Bear 650

Quick-disconnect harness system mounts over the seat and remains in place when pad is removed

Knurled clamping area

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 2023 Harley-Davidson Softail Fat BobFeatures 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