S&S CYCLE 0904-0091 310-1057B 124" Power Package Engine Performance Kit - Chain Drive

Features

• Made in the U.S.A.
• Big Bore Kit
• 107" to 124" Big bore kit
• Bolt on kit
• No case matching 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 the 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
• Quikee 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
• S&S does not recommend compression ratios higher than 10:1 for Tri Glide® or other three wheel models (including conversions) due to extra loads caused by the lugging nature of these bikes. Detonation and subsequent engine damage may result

Specs