S&S CYCLE Power Pack - M8 Power Package Kit — 124"

Features Big Bore Kit: 107" to 124" 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 removeable for servicing Independant 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 Includes all gaskets, bearings, and hardware required for installation MADE IN USA Specs Product Name: Performance Kit Type: Engine Style: 550C Model: Power Package Color/Finish: Black / Blue / Chrome / Highlighted Fins / Wrinkle Black Displacement: 124" Compression Ratio: 11.0:1 Units: Kit Riding Style: Street