Description & Size Guide
Power PackBig Bore Kit: Bolt on kit. No case machining required 4.250" bore Forged pistons 11.1: compression ratio Oil Pump/Cam Plate Precision machined from billet aluminum Passage plugs removable for servicing Independent scavenge sections for flywheel cavity and cam chest Debris screens in both scavenge pickups Magnet in cam chest to help to stop debris from entering oil pump Increased flow capacity on both feed and scavenge side Pressure Relief Valve is adjustable with unit installed in engine Pushrods: Quickee pushrods Tappets: S&S premium tappets Tappet Cuffs: Billet aluminum construction Stronger than stock material eliminates distortion Improve tappet stability in high lift and high rpm situations Cam: S&S 550 Cam- Designed for Big Bore applications Valve Springs: Work well with cams up to .605 lift High-performance conical single wire spring Made in the U.S.A. 128" Package for ’17–’22 M8 models with 114" & 117" engines. This Items fits for following BikesHarley Davidson FLFBS 1868 ABS 2021-2022 Harley Davidson FLHCS 1868 ABS 2021-2022 Harley Davidson FLHRXS 1868 ABS 2021-2022 Harley Davidson FLHRXS 1868 ABS 2019-2020 Harley Davidson FLHT 1868 ABS 2021 Only Harley Davidson FLHXS 1868 ABS 2019-2022 Harley Davidson FLHXS 1868 ABS 2021 Only Harley Davidson FLRT 1868 ABS 2021-2022 Harley Davidson FLTRXS 1868 ABS 2021-2022 Harley Davidson FLTRXS 1868 ABS 2019-2020 Harley Davidson FXBBS 1750 2021 Only Harley Davidson FXBBS 1750 ABS 2021-2022 Harley Davidson FXBRS 1868 ABS 2021-2022 Harley Davidson FXFBS 1868 ABS 2021-2022 Harley Davidson FXLRS 1868 ABS 2021 Only
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