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S&S Cycle

S&S Cycle 124" Power Package For Harley Oil Cooled 107" Milwaukee-Eight 2017-2026

Item: P1183408
Customer rating is 4.5 out of 5 stars.
4 Read 4 Reviews 5 Q&As Write a Review

Take your M8 to the next level by beefing up your 107" up to 124". This kit is the perfect combination of not only gaining performance but savings ver… 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 Cycle 124" Power Package For Harley Oil Cooled

Take your M8 to the next level by beefing up your 107" up to 124". This kit is the perfect combination of not only gaining performance but savings versus piecing all the parts individually. The kit comes with just about everything you want and need from S&S Cycle as they provide much higher quality cam, cam plate, high flow oil pump, valve springs, lifters, and pushrods.

Features:

  • 107" to 124" Big Bore Kit
  • Bolt on kit. No case machining required
  • 4.250" bore
  • Forged Pistons
  • 11:1 Compression Ratio
  • Precision Machined from Billet Aluminum
  • Passage Plugs Removeable for servicing
  • Independent Scavenge Sections for Flywheel Cavity and Cam Chest
  • Debris Screens in both scavenge pickups
  • Magnet in Cam Chest to help to stop debris from entering oil pump
  • Increased Flow Capacity on both Feed and Scavenge side
  • Adjustable Pressure Relief Valve is adjustable with unit installed in engine
  • Quickee Pushrods
  • S&S Cycle Precision Tappets
  • Billet Aluminum Construction
  • Stronger than Stock Material eliminates Distortion
  • Improve tappet stability in high lift and high rpm situations
  • S&S Cycle 550 Cam- Designed for Big Bore Applications
  • 550G Gear Drive Cam
  • Gear Drive Kits provide improved cam timing accuracy and eliminate the stock cam chain tensioner
  • Gear Drive kits include outer Drive Gears
  • Work well with cams up to .605 lift
  • High Performance Conical Single Wire Spring
Made in the USA
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style Highlighted Fins / Chrome Pushrod Tubes / Chain Drive J&P Cycles Item #10555142 Catalog Number10555142 Store Sku MFR. Product #310-1052C AvailabilityIn Stock: Ships within 24 hours
Product Style Non-Highlighted Fins / Black Pushrod Tubes / Chain Drive J&P Cycles Item #10555144 Catalog Number10555144 Store Sku MFR. Product #310-1057C AvailabilityIn Stock: Ships within 24 hours
Product Style Gear Drive / Highlighted Fins / Chrome Pushrod Tubes J&P Cycles Item #10555139 Catalog Number10555139 Store Sku MFR. Product #310-1053C AvailabilityOnly 2 Left: Ships within 24 hours
Product Style Highlighted Fins / Black Pushrod Tubes / Gear Drive J&P Cycles Item #10555140 Catalog Number10555140 Store Sku MFR. Product #310-1058C AvailabilityIn Stock: Ships within 24 hours
Product Style Non-Highlighted Fins / Black Pushrod Tubes / Gear Drive J&P Cycles Item #10555141 Catalog Number10555141 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 2004 Yamaha Big Bear 400

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.
    • 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
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    4 Customer Reviews for All Models
    Customer rating is 4.5 out of 5 stars. 4 total customer reviews 4.5/5
    5 Questions & 6 Answers for All Models
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