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S&S Power Package For Harley Oil 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 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 Highlighted Fins / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10085959 Store Sku MFR. Product #310-1103B AvailabilityIn Stock: Ships within 24 hours
Product Style No Highlight / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10085960 Store Sku MFR. Product #310-1105B AvailabilityIn Stock: Ships within 24 hours
Product Style Black Granite w/ Highlighted Fins / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10085962 Store Sku MFR. Product #310-1109B AvailabilityIn Stock: Ships within 24 hours
Product Style Gear Drive / Highlighted Fins / Chrome Pushrod Tubes RevZilla Item #10052124 Store Sku MFR. Product #310-1104A AvailabilityIn Stock: Ships within 24 hours
Product Style No Highlight / Chrome Pushrod Tubes / Gear Drive RevZilla Item #10085961 Store Sku MFR. Product #310-1106A AvailabilityIn Stock: Ships within 24 hours
Product Style Black Granite w/ Highlighted Fins / Chrome Pushrod Tubes / Gear Drive RevZilla Item #10085963 Store Sku MFR. Product #310-1110A AvailabilityOnly 3 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 1938 Harley Davidson ULH

Fitment Notes & Exceptions
  • Fits oil cooled M8 models only.
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This item is also available for 7 different vehicles. View All Models
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3 Questions & 0 Answers
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