S&S 136" Bolt On Big Bore Kit for Harley M8 17-25 (107", 114", 117")
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Upgrade your Milwaukee-Eight engine with the ultimate bolt-on performance solution. This Big Bore Kit offers the largest cylinder bore possible without requiring any machining of the crankcases, making it a powerful yet efficient way to increase displacement from 107", 114", or 117" up to a massive 136". Designed to deliver significant horsepower and torque gains, this kit maintains the integrity and geometry of your engine while providing a seamless fit and finish.
- Largest bolt-on cylinder bore possible without requiring machining of crankcases
- Transforms 107", 114", and 117" engines into 136" displacement
- Original engine serial numbers are retained for compliance and documentation
- Includes MLS (Multi-Layered Steel) head gaskets for a high-pressure seal
- Retains stock engine height and utilizes the stock bolt pattern
- Includes a commemorative cam cover badge
- Works with stock crankcases for a straightforward installation
- Proudly Made in the USA
Technical Requirements & Compatibility:
- An S&S stroker 4.625" flywheel is required for installation (sold separately).
- This kit is not compatible with VVT (Variable Valve Timing) models.
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| Product Title | Store SKU | MFR Part # |
|---|---|---|
| Black Granite w/ Highlights | SS910-0850A | 910-0850A |
| Wrinkle Black w/ Highlights | SS910-0848A | 910-0848 |
| Wrinkle Black w/o Highlights | SS910-0849A | 910-0849 |
Bulk order
| Variant | Quantity | Price | Total |
|---|---|---|---|
Black Granite w/ Highlights
SS910-0850A
/
910-0850A
|
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Wrinkle Black w/ Highlights
SS910-0848A
/
910-0848
|
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||
Wrinkle Black w/o Highlights
SS910-0849A
/
910-0849
|
Out of stock |
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