Skip to content

S&S Power Pack 128 CI Oil Cooled – M8

The S&S Power Pack 128 CI for oil cooled M8’s is a bolt on kit, requiring no machining to the case. It features highlighted fins and chrome push-rod tubes, with all parts precision machined from billet aluminum right here in the USA!!

FREE SHIPPING 

$2,395.00

Description

The S&S Power Pack 128 CI for oil cooled M8’s is a bolt on kit, requiring no machining to the case. It features highlighted fins and chrome pushrod tubes, with all parts precision machined from billet aluminum right here in the USA!!

FEATURES: 

  • 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 U.S.A

SPECS:

  • Product Name: Performance Kit
  • Type: Engine
  • Style: 550G
  • Model: Power Package
  • Color/Finish: Black Granite / Highlighted Fins / Wrinkle Black
  • Displacement: 128″
  • Bore Size: 4.250″
  • Compression Ratio: 11.1:1
  • Cam Drive Type: Gear
  • Cooling System: Oil Cooled
  • Units: Kit
  • Riding Style: Street

FITMENTS:

YEARS MAKE MODEL
2017-2020 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE

2018-2020 Harley-Davidson Softail Deluxe FLDE

2018-2020 Harley-Davidson Softail Sport Glide FLSB

2018-2020 Harley-Davidson Softail Breakout 114 FXBRS

2018-2020 Harley-Davidson Softail Heritage Classic 114 FLHCS

2018-2020 Harley-Davidson Softail Street Bob FXBB

2020 Harley-Davidson Road Glide Limited FLTRK

2018-2019 Harley-Davidson Softail Fat Boy FLFB

2017-2020 Harley-Davidson Road King Special FLHRXS

2018-2019 Harley-Davidson Softail Fat Bob FXFB

2018-2020 Harley-Davidson Softail Fat Boy 114 FLFBS

2017-2020 Harley-Davidson Road Glide Special FLTRXS

2018-2019 Harley-Davidson Softail Breakout FXBR

2018-2020 Harley-Davidson Softail Slim FLSL

2017-2020 Harley-Davidson Street Glide Special FLHXS

2018-2020 Harley-Davidson Softail Heritage Classic FLHC

2018-2020 Harley-Davidson Softail Low Rider FXLR

2017-2019 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL

2017-2020 Harley-Davidson Electra Glide Ultra Limited FLHTK

2019-2020 Harley-Davidson FXDR 114

2019-2020 Harley-Davidson Electra Glide Police FLHTPI

2018-2020 Harley-Davidson Softail Fat Bob 114 FXFBS

2020 Harley-Davidson Softail Lowrider S FXLRS

2017-2019 Harley-Davidson Street Glide EFI FLHX

2017-2019 Harley-Davidson Road King EFI FLHR

2017-2020 Harley-Davidson Road Glide Custom FLTRX

2017-2019 Harley-Davidson Road Glide Ultra FLTRU

2017-2019 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI

2017-2018 Harley-Davidson Electra Glide Police FLHTPI

2017-2019 Harley-Davidson CVO Street Glide FLHXSE

2018-2019 Harley-Davidson CVO Road Glide Custom FLTRXSE

2019 Harley-Davidson Electra Glide Standard EFI FLHTI

2020 Harley-Davidson Road King EFI FLHR

2020 Harley-Davidson CVO Street Glide FLHXSE

2020 Harley-Davidson Street Glide EFI FLHX

2020 Harley-Davidson Electra Glide Standard EFI FLHTI

 

Additional information

Weight 47 lbs
Dimensions 28 × 21 × 13 in
Fitment

See Current Fitments In Product Description

BRAND

S&S