Skip to Main Content
Search Suggestions
Menu

Product Details

S&S Power Package For Harley Water Cooled Milwaukee Eight

Everything you need to boost your 107" M8 motor up to a mind blowing 124 cubic inches! In addition to the increased bore, you also receive the perfect package of parts tailor made to work together for boosted performance like no other, and reliability to boot, thanks to the high quality oil pump and cam plate.

Features:

  • Increase your 107" M-Eight engine to 124" with this bolt-on power package
  • 4 1/4​" bore cylinders with 11:1 forged pistons
  • Wrinkle black finish with or without fin highlighting
  • S&S oil pump/cam plate with a blue anodized finish
  • Passage plugs are removable for servicing
  • Independent scavenge sections for flywheel cavity and cam chest
  • Debris screen in both scavenge pickups
  • Magnet in cam chest 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
  • Quickee pushrods with pushrod tubes
  • S&S premium tappets
  • S&S hard anodized black coating black tappet cuffs are billet aluminum construction
  • Improve tappet stability in high lift, high rpm situations
  • S&S 550 cams designed for big bore applications (gear or chain drive cams available)
  • 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 included
  • Made in the USA

550 Cam Info:

  • Front Intake open/close 9.4°/29.4°
  • Front Exhaust open/close 62.5°/30.5°
  • Rear Intake open/close 3.1°/31.1°
  • Rear Exhaust open/close 59.4°/38.4°
  • Front Intake duration 218.9°
  • Rear Intake duration 214.2°
  • Front Exhaust duration 273.1°
  • Rear Exhaust duration 277.8°
  • Intake Lift .550"
  • Exhaust Lift .550"
  • Front Intake Lobe Center Line 100.0°
  • Front Exhaust Lobe Center Line 106.0°
  • Rear Intake Lobe Center Line 104.0°
  • Rear Exhaust Lobe Center Line 100.5°
  • Front Intake Lift at TDC .127"
  • Front Exhaust Lift at TDC .232"
  • Rear Intake Lift at TDC .099"
  • Rear Exhaust Lift at TDC .264"
  • Front Overlap 39.9°
  • Rear Overlap 41.5°
Made in the USA
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Highlighted Fins / Black Pushrod Tubes / Chain Drive Cam RevZilla Item #1590142 Store Sku MFR. Product #310-1054A AvailabilityCloseout: This product is no longer available
Product Style Chain Drive Cam / Highlighted Fins / Chrome Pushrod Tubes RevZilla Item #10085968 Store Sku MFR. Product #310-1050B AvailabilityIn Stock: Ships within 24 hours
Product Style Gear Drive Cam / Highlighted Fins / Chrome Pushrod Tubes RevZilla Item #1590141 Store Sku MFR. Product #310-1051A AvailabilityCloseout: This product is no longer available
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart
This product is vehicle specific.
Select a vehicle to ensure fitment.
Fitment Notes & Exceptions
  • For Water Cooled 107" Milwaukee Eight engines only
    • Will not fit Oil Cooled models
  • Due to inherent characteristics of gear-driven cams, you may experience greater valve train noise
This Product Fits
Harley Davidson
Electra Glide Ultra Limited FLHTK 2017-2024
Electra Glide Ultra Limited Low FLHTKL 2017, 2018, 2019
Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024
Road Glide Ultra FLTRU 2017, 2018, 2019
This item is also available for 33 different vehicles. View All Models
Product Description
Part Numbers
Fitment
Installation
2 Customer Reviews
2 4.5/5
12 Questions & 6 Answers
Join now & get rewarded!

Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

Already enrolled in RPM? Link your existing membership here.

Related Videos

S&S Big Bore Kits and Cylinder Heads for Harley Review

The Indian Larry Twisted Frame Chopper | J&P Custom Motorcycle Builds

150-Horsepower Harley-Davidson | J&P: Custom Motorcycle Builds

124 Cubic Inch Twin Cam FXR | J&P: Custom Motorcycle Builds

The First 8 Things You Should Change When Buying a Harley Davidson

Reviews & Questions

$39.99/yr.
Spend Less. Ride More.
  • 5% RPM Cash Back*
  • 10% Off Over 70 Brands
  • $15 in RPM Cash When You Join
  • Free 2-Day Shipping & Free Returns*
  • And more!
Become a member today! Learn More