S&S Cycle 124 Power Package For Harley Oil Cooled Take your M8 to the next level by beefing up your 107 up to 124. This kit is the perfect combination of not only gaining performance but savings versus piecing all the parts individually. The kit comes with just about everything you want and need from S&S Cycle as they provide much higher quality cam, cam plate, high flow oil pump, valve springs, lifters, and pushrods. Features: 107 to 124 Big Bore Kit Bolt on kit. No case machining required 4.250 bore Forged Pistons 11:1 Compression Ratio Precision Machined from Billet Aluminum Passage Plugs Removeable 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 Quickee Pushrods S&S Cycle Precision Tappets Billet Aluminum Construction Stronger than Stock Material eliminates Distortion Improve tappet stability in high lift and high rpm situations S&S Cycle 550 Cam- Designed for Big Bore Applications 550G Gear Drive Cam Gear Drive Kits provide improved cam timing accuracy and eliminate the stock cam chain tensioner Gear Drive kits include outer Drive Gears Work well with cams up to .605 lift High Performance Conical Single Wire Spring