See more: ENGINE GROUP - ENGINE PERFORMANCE KITS
124" Power Package Engine Performance KitMade in the U.S.A. Big Bore Kit 107" to 124" Big bore kit Bolt on kit. No case machining required Forged pistons 11.1 Compression ratio Oil Pump/Cam Plate Precision machined from billet aluminum Blue anodized finish 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 Adjustable pressure relief valve is adjustable with unit installed in engine Pushrods Quickee pushrods Tappets: S&S precision tappets Tappet Cuffs Hard anodized black coating 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 Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes. 124" Package for '17 touring models & '18–’22 Harley Davidson models with 107" engine.
Includes chrome pushrod tubes.
Includes chrome pushrod tubes.