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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
S&S CYCLE 0904-0070 310-1106A 128" Power Package for 114"/117" Oil Cooled M8 128" Power Package - Gear Drive - Wrinkle Black with Non-Highlighted Fins - 114"/117" M8

S&S CYCLE 0904-0070 310-1106A 128" Power Package for 114"/117" Oil Cooled M8 128" Power Package - Gear Drive - Wrinkle Black with Non-Highlighted Fins - 114"/117" M8

by S&S CYCLE
Availability:
Out of stock
Sold out
$3,460.95 - $3,460.95
$3,460.95
$3,460.95 - $3,460.95
$3,460.95

Features

  • Made in the USA
  • Big Bore Kit
  • Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required
  • 4-1/4" bore cylinders with 11:1 forged pistons
  • Oil Pump/Cam Plate
  • S&S oil pump/cam plate with blue anodized finish
  • Passage plugs are removable for servicing
  • Independent scavenge sections for flywheel cavity and camchest
  • Debris screen in both scavenge pickups
  • Magnet in camchest to help prevent debris from entering the oil pump
  • Increased oil flow capacity on both the oil feed and scavenge side
  • Adjustable pressure relief valve can be adjusted with the unit installed in the engine
  • Pushrods
  • Quikee pushrods with chrome pushrod tubes
  • Tappets
  • S&S premium tappets
  • Tappet Cuffs
  • S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
  • Improve tappet stability in high-lift, high-rpm situations
  • Cam
  • S&S 550 cams designed for big bore applications
  • Valve Springs
  • S&S valve springs work with cams up to .605" lift
  • High-performance conical single-wire spring design
  • All necessary gaskets, bearings and hardware for bolt-on installation is included

Specs

Cam Drive Type Gear
Style Big Bore
Compression Ratio 11.1:1
Model Power Package
Riding Style Street
Type Engine
Bore Size 4.250"
Cooling System Oil Cooled
Product Name Performance Kit
Color/Finish Non-Highlighted Fins
Stroke Length 4.50"
Displacement 128"
Color/Finish Wrinkle Black
Units Kit

Part Notes

  • Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.



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2017-2023 Harley-Davidson Road Glide FLTRX/FLTRXS
2017-2023 Harley-Davidson Street Glide FLHX/FLHXS
2018-2020 Harley-Davidson Softail Breakout 114 FXBRS
2018-2023 Harley-Davidson Softail Fat Boy 114 FLFBS
2020-2023 Harley-Davidson Softail Low Rider S FXLRS
2022-2023 Harley-Davidson Softail Low Rider ST FXLRST

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.