S&S 124" M8 Power Package All Black Big Bore Chain Cam Black Pushrod Oil Cool

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In stock
SKU
SS310-1057C
  • Bolt-on kit
  • With updated fins
  • No case machining required
  • Forged pistons
  • Made in the USA
  • Includes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springs
  • Oil Pump/Cam Plate:
  • Precision machined from billet aluminum
  • Passage plugs removable for servicing
  • Independent scavenge sections for flywheel cavity and camchest
  • Debris screens in both scavenge pickups
  • Magnet in camchest to help to stop debris from entering oil pump
  • 44% flow increase on supply side and 58% flow increase on scavenge side
  • Pressure relief valve is adjustable with unit installed in engine
  • Pushrods:
  • Quickee pushrods
  • Tappets:
  • Hand assembled to exacting tolerances
  • Reduced valve train noise from start up to shut down
  • Close tolerances for low leak down rates
  • Tappet Cuffs:
  • Hard anodized black coating
  • Billet aluminum construction
  • Tappet stability in high lift and high rpm sitiuations
  • Camshaft:
  • S&S 550 camshaft - designed for big bore applications
  • Valve Springs:
  • Works well with camshafts up to 0.605" lift
  • High performance conical single wire spring
  • Includes top collars, keepers, valve seals and bottom collars
  • Big Bore Kit:
  • Bolt on kit. No case machining required
  • 4.250" bore
  • Forged pistons
  • 11.1: compression ratio
  • Oil Pump/Cam Plate
  • Precision machined from billet aluminum
  • Passage plugs removable 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
  • Pressure Relief Valve is adjustable with unit installed in engine
  • Pushrods:
  • Quickee pushrods
  • Tappets:
  • S&S premium tappets
  • Tappet Cuffs:
  • Billet aluminum construction
  • Stronger than stock material eliminates distortion
  • Improve tappet stability in high lift and high rpm situations
  • Cam:
  • S&S 550 Cam- Designed for Big Bore applications
  • Valve Springs:
  • Work well with cams up to .605 lift
  • High-performance conical single wire spring
  • Made in the U.S.A.
More Information
Brand S&S Cycle
Finish Black Non Hightlighted
Drag Part # 0904-0135
Manufacturer Part No. 310-1057C
Fitment 2017-2022 Oil Cooled Harley Touring & Softail Milwaukee M8 Models - Chain Drive
Ships Within: 24 Hrs

2017-2022 Oil Cooled Harley Touring & Softail Milwaukee M8 Models - Chain Drive

S&S Cycle Manufacturer's Warranty

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