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Product Details

S&S Cycle 124" Power Package For Harley Oil Cooled

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 / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10555142 Store Sku MFR. Product #310-1052C AvailabilityIn Stock: Ships within 24 hours
Product Style Chain Drive / Highlighted Fins / Black Pushrod Tubes RevZilla Item #10555143 Store Sku MFR. Product #310-1056C AvailabilityIn Stock: Ships within 24 hours
Product Style Non-Highlighted Fins / Black Pushrod Tubes / Chain Drive RevZilla Item #10555144 Store Sku MFR. Product #310-1057C AvailabilityIn Stock: Ships within 24 hours
Product Style Gear Drive / Highlighted Fins / Chrome Pushrod Tubes RevZilla Item #10555139 Store Sku MFR. Product #310-1053C AvailabilityOnly 2 Left: Ships within 24 hours
Product Style Highlighted Fins / Black Pushrod Tubes / Gear Drive RevZilla Item #10555140 Store Sku MFR. Product #310-1058C AvailabilityIn Stock: Ships within 24 hours
Product Style Non-Highlighted Fins / Black Pushrod Tubes / Gear Drive RevZilla Item #10555141 Store Sku MFR. Product #310-1059C AvailabilityOnly 2 Left: Ships within 24 hours
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart

This product DOES NOT FIT your 2021 Polaris Sportsman 850 Premium

Fitment Notes & Exceptions
  • For Oil Cooled 107" Milwaukee Eight engines only
    • Will not fit Water Cooled models
  • Due to inherent characteristics of gear-driven cams, you may experience greater valve train noise
This Product Fits
Harley Davidson
Electra Glide Standard FLHT 2019, 2020, 2021, 2022
Electra Glide Ultra Classic FLHTCU/I 2017, 2018, 2019
Freewheeler FLRT 2017-2025
Road Glide 3 FLTRT 2023, 2024, 2025
Road Glide CVO/SE FLTRXSE 2018, 2019, 2020, 2021, 2022
Road Glide FLTRX 2017-2026
Road Glide Special FLTRXS 2017-2023
Road Glide ST FLTRXST 2022, 2023
Road King FLHR/I 2017-2022
Road King Special FLHRXS 2017-2025
Softail Breakout 114 FXBRS 2018, 2019, 2020
Softail Breakout 117 FXBR 2023, 2024, 2025, 2026
Softail Breakout FXBR 2018, 2019
Softail Deluxe FLDE 2018, 2019, 2020
Softail Fat Bob 114 FXFBS 2018-2023
Softail Fat Bob FXFB 2018, 2019
Softail Fat Boy 114 FLFBS 2018-2024
Softail Fat Boy FLFB 2018, 2019, 2025, 2026
Softail FXDR 114 FXDRS 2019, 2020
Softail Heritage Classic 114 FLHCS 2018-2024
Softail Heritage Classic FLHC 2018-2026
Softail Low Rider FXLR 2018, 2019, 2020
Softail Low Rider S FXLRS 2020-2026
Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025, 2026
Softail Slim FLSL 2018, 2019, 2020, 2021
Softail Sport Glide FLSB 2018, 2019, 2020, 2021
Softail Standard FXST 2020, 2021, 2022, 2023, 2024
Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024
Softail Street Bob FXBB 2018, 2019, 2020, 2025, 2026
Street Glide CVO/SE FLHXSE 2018, 2019, 2020, 2021, 2022
Street Glide FLHX/I 2017-2026
Street Glide Special FLHXS 2017-2023
Street Glide ST FLHXST 2022, 2023
Street Glide Ultra FLHXU 2025
This item is also available for 4 different vehicles. View All Models
Product Description
Part Numbers
Fitment
Installation
4 Customer Reviews for All Models
4 4.5/5
20 Questions & 11 Answers for All Models
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