S&S Cycle 129
Regular Price
$442.73
Sale Price
$442.73
Regular Price
$2,213.64
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S&S Cycle 129
Regular Price
$442.73
Sale Price
$442.73
Regular Price
$2,213.64
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S&S Cycle 129" Big Bore Kit For Harley 107" Milwaukee Eight
Turn your 107 cubic inch Milwaukee Eight into a 129 cubic inch monster. S&S Cycle has done it again with their bolt-on big bore kit featuring a 4.32” bore and 11:1 compression ratio. This cylinder and piston kit will accommodate a high lift cam and keep your Harley-Davidson M8 happy on pump gas. No case mods, no engine removal; just a massive set of jugs, designed, tested, and manufactured here in the USA.
Features:
- Huge bore increase means huge power increase
- Works with stock crankcases (no machine work)
- Powder coat finish matches factory finish
- MLS (multi-layered steel) head gaskets
- 4.320" Bore
- Retains stock engine height
- Includes cubic inch cam cover badge
- Made in USA
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