Description

S&S CYCLE

124″ Power Package Engine Performance Kit

Gear Drive

P/N 310-1055A

124″ Package for ’17 touring models & ’18–’22 Harley Davidson models with 107″ engine.

Includes gloss black pushrod tubes.

• Made 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.