S&S 128" M8 Bolt On Big Bore Kit Highlight Fin Gear Cam Chrome Rod Oil Cooled 310-1104 0904-0047 09040047 upgrade electra road glide street tour fat boy fat bob heritage softail breakout milwaukee eight
4404391/4404391

S&S 128" M8 Bolt On Big Bore Kit Highlight Fin Gear Cam Chrome Rod Oil Cooled 310-1104 0904-0047 09040047 upgrade electra road glide street tour fat boy fat bob heritage softail breakout milwaukee eight

In Stock
  • Brand S&S Cycle
  • Model 4404391
  • Availability In Stock

  • Price€6,950.16

  • Ex Tax €6,950.16
Qty

Big Bore Kit:

  • 114" to 128" Big Bore Kit
  • 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 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:

  • S&S 550 Cam- Designed for Big Bore Applications
  • Gear Drive Cam provides improved cam timing accuracy and eliminate the stock cam chain tensioner
  • Gear Drive kit includes 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

Fits: 2017-Up Oil Cooled Harley Touring & Softail Milwaukee M8 114" Models with Gear Driven Cam

References

Brand S&S Cycle
Category High Performance
Product Code 4404391
SKU: SS310-1104A
MPN: 310-1104A

Specifications

Specifications

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