- Big Bore Kit:
- 107" to 124" Big Boar Kit
- Winkle Black Finish with Fin Highlighting
- Bolt on kit. No case machining required
- 4.250" bore
- Forged Pistons
- 10.5: 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
- 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
- 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
- Valve Springs:
- Work well with cams up to .605 lift
- High Performance Conical Single Wire Spring
- Made in the U.S.A.
- Not recommended for trike models
- S&S Cycle OEM # 310-1051A
Note
Fits Harley-Davidson Touring 17-later with watercooled Milwaukee-Eight 107ci.
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