Get a complete S&S Cycle Power Package - 124 inch CI Oil Cooled, Gear Drive with Highlighted Fins for 2017-2020 107 inch Harley-Davidson Milwaukee Eight models. Buy all of the matched parts in one kit and save money! The kit will turn your beast into a monster! SKU# 310-1053A
Big Bore Kit:
- 107 inch to 124 inch Big Bore Kit
- Winkle Black Finish with Fin Highlighting
- Bolt on kit. No case machining required
- 4.250 inch bore
- 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
- Chrome pushrod tubes
Tappets:
- S&S Premium 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:
- 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
- Includes all gaskets, bearings, and hardware required for installation
MADE IN USA
Requirements: Harley-Davidson M8 Head Bolts part # 10200303
Note: This kit must be installed by a qualified motorcycle technician.
