S&S 310-1104A 128" BIG BORE KIT GEAR DRIVE CAM GRANITE M8 18-23
Features
- Big Bore Kit:
- 107" to 124" / 114" to 128" big bore kits
- 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
- 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
- Pressure Relief Valve is adjustable with unit installed in engine
- Pushrods:
- Quickee pushrods
- Tappets:
- S&S premium tappets
- Tappet Cuffs:
- 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
- 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
Specs
- Product Name: Performance Kit
- Type: Engine
- Style: 550G
- Model: Power Package
- Color/Finish: Black Granite / Highlighted Fins / Wrinkle Black
- Displacement: 128"
- Bore Size: 4.250"
- Compression Ratio: 11.1:1
- Cam Drive Type: Gear
- Cooling System: Oil Cooled
- Units: Kit
- Riding Style: Street
Approximate Package Weight & Dimensions
- Weight: 46.8 lbs
- Height: 12.5"
- Length: 27.25"
- Width: 20.25"
Vendor Part Number
310-1104A
S&S 310-1104A 128" BIG BORE KIT GEAR DRIVE CAM GRANITE M8 18-23
Harley-Davidson
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