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S&S Cycle

S&S Cycle Power Package For Harley Twin Cooled 114" / 117" Milwaukee-Eight 2017-2025

Item: P919445
Customer rating is 5 out of 5 stars.
2 Read 2 Reviews 3 Q&As Write a Review

Everything you need to boost your  M8 motor up to a mind blowing 124 cubic inches! In addition to the increased bore, you also receive the perfect pac… Read More

Current price: $3,294.95$3,497.95 Price depends on product options. Make a selection to update price.
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Product Details

S&S Power Package For Harley Water Cooled 114" / 117" Milwaukee-Eight

Everything you need to boost your  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 114" M-Eight engine to 124" with this bolt-on power package
  • 4 1/2​" 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 Black w/ Highlighted Fins / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10581767 Store Sku MFR. Product #310-1101D AvailabilityOut of Stock
Product Style Black Granite w/ Highlighted Fins / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10581769 Store Sku MFR. Product #310-1107D AvailabilityOut of Stock
Product Style Black w/ Highlighted Fins / Chrome Pushrod Tubes / Gear Drive RevZilla Item #10581768 Store Sku MFR. Product #310-1102D AvailabilityOut of Stock
Product Style Black Granite w/ Highlighted Fins / Chrome Pushrod Tubes / Gear Drive RevZilla Item #10581770 Store Sku MFR. Product #310-1108D AvailabilityOut of Stock
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
  • This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.
    • Fits Twin-Cooled M8 models only.
    This Product Fits
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    This item is also available for 25 different vehicles. View All Models
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    2 Customer Reviews for All Models
    Customer rating is 5 out of 5 stars. 2 total customer reviews 5/5
    3 Questions & 0 Answers for All Models
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