Buy all of the matched parts in one kit and save $$$!
Big Bore Kit:
- 107" to 124" Big Bore Kit
- Winkle Black Finish with Fin Highlighting
- Bolt on kit. No case machining required
- 4.250" bore
- Forged Pistons
- 11:1 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
- 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
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. ��������