S&S CYCLE310-1103a Big Bore Kit: 114" to 128" Big Bore Kit for Stock Stroke Flywheel Wrinkle Black Finish Highlighted Fins No case machining required 4.250" bore Forged Pistons 11.1:1 Compression Ratio Oil Pump/Cam Plate: Precision Machined from Billet Aluminum Blue Anodized Finish 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 Adjustable Pressure Relief Valve is adjustable with unit installed in engine Pushrods: Quickee Pushrods w/Chrome Pushrod Tubes 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 Chain Drive 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 Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes. Part Number : 310-1103A 310-1103a Big Bore Kit: 114" to 128" Big Bore Kit for Stock Stroke Flywheel Wrinkle Black Finish Highlighted Fins No case machining required 4.250" bore Forged Pistons 11.1:1 Compression Ratio Oil Pump/Cam Plate: Precision Machined from Billet Aluminum Blue Anodized Finish 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 Adjustable Pressure Relief Valve is adjustable with unit installed in engine Pushrods: Quickee Pushrods w/Chrome Pushrod Tubes 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 Chain Drive 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 Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes. **** PLEASE NOTE ***** : 310-1103A These are performance and custom aftermarket products sourced to match or exceed original specifications as an alternative to the OEM version. Any Harley-Davidson part numbers referenced are for identification purposes only.
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