S&S CYCLE 310-1051A Power Package Gear Drive Water Cooled Highlighted Fins - M8

• Made in the U.S.A.

• 107" to 124" Big bore kit
• Bolt on kit.
• No case machining required
• Forged pistons
• 11.1 Compression ratio

• 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

• Quickee pushrods

• S&S precision tappets

• Hard anodized black coating
• Billet aluminum construction
• Stronger than stock material eliminates distortion
• Improve tappet stability in high lift and high rpm situations

• S&S 550 cam-designed for big bore applications

• 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.