S&S Cycle 128" Power Pack - Gear Drive with Highlighted Fins - Oil Cooled - M8
S&S Cycle 128" Power Pack - Gear Drive with Highlighted Fins - Oil Cooled - M8
Regular price
$3,460.95 USD
Regular price
Sale price
$3,460.95 USD
Unit price
per
Big Bore Kit
- 114" to 128" Big Bore Kit
- Black Granite Finish
- Highlighted Fins
- No case machining required
- 4.250" bore
Forged Pistons
- 11.1:1 Compression Ratio
- Oil Pump/Cam Plate:
- Precision Machined from Billet Aluminum
- Blue Anodized Finish
- 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
- Adjustable Pressure Relief Valve is adjustable with unit installed in engine
Pushrods
- Quickee Pushrods w/Chrome Pushrod Tubes
Tappets
- S&S Precision Tappets
Tappet Cuffs
- Hard Anodized Black Coating
- 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
- Gear Drive Cam provides improved cam timing accuracy and eliminate the stock cam chain tensioner
- Gear Drive kit includes outer Drive Gears
Valve Springs
- Work well with cams up to .605 lift
- High Performance Conical Single Wire Spring
- Includes all gaskets, bearings, and hardware required for installation
- Made in the U.S.A.
**Not recommended for trike models**
Part Notes
- 128" Package for ’17–’22 M8 models with 114" & 117" engines
Specs
PRODUCT NAME | POWER PACKAGE |
TYPE | ENGINE |
FINISH | CHROME |
COLOR/FINISH | HIGHLIGHTED FINS / BLACK GRANITE |
BORE SIZE | 4.250" |
COMPRESSION RATIO | 11.1:1 |
CAM DRIVE TYPE | GEAR |
COOLING SYSTEM | OIL COOLED |
UNITS | KIT |
RIDING STYLE | STREET |
MPN | 310-1110A |
Drag Specialties Part# | 0904-0074 |
Fitments
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2022 | Harley-Davidson | CVO Road Glide Limited | - | - |
2022 | Harley-Davidson | Softail Low Rider ST FXLRST | - | - |
2022 | Harley-Davidson | Street Glide ST FLHXST | - | - |
2021 | Harley-Davidson | Electra Glide Revival | - | - |
2020-2022 | Harley-Davidson | CVO Tri Glide FLHTCUTGSE | - | - |
2020-2022 | Harley-Davidson | Road Glide Limited FLTRK | - | - |
2020-2022 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
2020-2022 | Harley-Davidson | Softail Standard FXST | - | - |
2019-2022 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
2019-2020 | Harley-Davidson | FXDR 114 | - | - |
2018-2022 | Harley-Davidson | Softail Heritage Classic 114 FLHCS | - | - |
2018-2022 | Harley-Davidson | Softail Street Bob FXBB | - | - |
2018-2022 | Harley-Davidson | Softail Fat Bob 114 FXFBS | - | - |
2018-2022 | Harley-Davidson | Softail Fat Boy 114 FLFBS | - | - |
2018-2022 | Harley-Davidson | CVO Road Glide Custom FLTRXSE | - | - |
2018-2021 | Harley-Davidson | Softail Heritage Classic FLHC | - | - |
2018-2021 | Harley-Davidson | Softail Slim FLSL | - | - |
2018-2021 | Harley-Davidson | Softail Sport Glide FLSB | - | - |
2018-2020 | Harley-Davidson | Softail Deluxe FLDE | - | - |
2018-2020 | Harley-Davidson | Softail Breakout 114 FXBRS | - | - |
2018-2020 | Harley-Davidson | Softail Low Rider FXLR | - | - |
2018-2019 | Harley-Davidson | Softail Breakout FXBR | - | - |
2018-2019 | Harley-Davidson | Softail Fat Boy FLFB | - | - |
2018-2019 | Harley-Davidson | Softail Fat Bob FXFB | - | - |
2017-2022 | Harley-Davidson | Road Glide Custom FLTRX | - | - |
2017-2022 | Harley-Davidson | Street Glide EFI FLHX | - | - |
2017-2022 | Harley-Davidson | Road King Special FLHRXS | - | - |
2017-2022 | Harley-Davidson | Freewheeler FLRT | - | - |
2017-2022 | Harley-Davidson | Street Glide Special FLHXS | - | - |
2017-2022 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | - | - |
2017-2022 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
2017-2022 | Harley-Davidson | Road Glide Special FLTRXS | - | - |
2017-2022 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | - | - |
2017-2022 | Harley-Davidson | Road King EFI FLHR | - | - |
2017-2021 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | - | - |
2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | - | - |
2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | - | - |
2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | - | - |