S&S CYCLE 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8 - Harley-Davidson '17-'25 - 910-1010A
🚚 Estimated Delivery: 09 Jul - 16 Jul
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Features & Benefits:-
* Upgrades Milwaukee-Eight 114ci or non-CVO 117ci to 132ci or all the way to 136ci with S&S stroker flywheel # SS320-0605
* 4.320″ Bore & 4.500″ Stroke
* Forged Pistons.
* Compression Ratio with stock 88cc Heads: 132ci is 11.7:1 & 136ci is 12.0:1
* Compression Ratio with SE Extreme 94cc Heads: 132ci is 11.1:1 & 136ci is 11.4:1
* Wrinkle Black Finish With Highlighted Fins.
* Bolt-on Kit, No Crankcase Machining Required.
* Includes Head (0.040″) & Base Gaskets & Cam Cover Badge
Suggested Additional Purchase:
Dual spray piston cooling jet kit # SS310-1203
Tech Tips:-
* Will Not Fit 107ci Models.
* Use Care during assembly to avoid damage to Cylinder Spigots.
* Ring gap & Piston to Cylinder Clearance must be checked.
* Rev Limit should be set at 3500 rpm for Initial Run In Period.
* Re-Calibration of Ignition Timing & Fuel Mixture is required.
* NOT compatabile with
the HD 4-5/8″ stroke flywheel
Proudly Made in the USA by S&S Cycle !
- 132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels only
- To achieve 136" big bore, S&S flywheel with 4-5/8" stroke is required (sold seperately).
Fitment Guide
| 2025 | Harley-Davidson | Softail Fat Boy FLFB | - | - |
| 2025 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
| 2025 | Harley-Davidson | Softail Low Rider ST FXLRST | - | - |
| 2025 | Harley-Davidson | Softail Breakout FXBR | - | - |
| 2025 | Harley-Davidson | Softail Heritage Classic FLHC | - | - |
| 2024 | Harley-Davidson | FLI Hydra-Glide Revival | - | - |
| 2023-2025 | Harley-Davidson | FXBR Breakout 117 | - | - |
| 2023 | Harley-Davidson | FLHFB Electra Glide Highway King | - | - |
| 2022-2025 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2022-2025 | Harley-Davidson | FXLRST Low Rider ST 117 | - | - |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST | - | - |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST | - | - |
| 2022, 2025 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2022 | Harley-Davidson | FLTRKSE CVO Road Glide Limited | - | - |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 | - | - |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 | - | - |
| 2021 | Harley-Davidson | FLH Electra Glide Revival | - | - |
| 2020-2024 | Harley-Davidson | FLTRK Road Glide Limited | - | - |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | - | - |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | - | - |
| 2018-2024 | Harley-Davidson | FLFBS Fat Boy 114 | - | - |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 | - | - |
| 2018-2023 | Harley-Davidson | FXFBS Fat Bob 114 | - | - |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | - | - |
| 2017-2025 | Harley-Davidson | FLHX Street Glide | - | - |
| 2017-2025 | Harley-Davidson | FLTRX Road Glide | - | - |
| 2017-2025 | Harley-Davidson | FLHRXS Road King Special | - | - |
| 2017-2025 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 2017-2024 | Harley-Davidson | FLHTK Ultra Limited | - | - |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special | - | - |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special | - | - |
| 2017-2022 | Harley-Davidson | FLHR Road King | - | - |
| 2017-2022 | Harley-Davidson | FLHXSE CVO Street Glide | - | - |
| 2017-2022 | Harley-Davidson | Road King Police FLHP | - | - |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited | - | - |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | - | - |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | - | - |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | - | - |
Specs
| Product Name | Big Bore Kit |
| Type | High Compression |
| Color/Finish | Highlighted Fins / Black Granite |
| Features | 0.00 cc Dome Volume |
| Stroke Length | 4-1/2" / 4-5/8" |
| Displacement | 132" / 136" |
| Bore Size | 4.320" |
| Units | Kit |
| Riding Style | Street |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8 - Harley-Davidson '17-'25 - 910-1010A
Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.
Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.