Big Bore Cylinder Kit — 136", bore 4.320", stroke 4.625"

S&S CYCLE Big Bore Cylinder Kit — 136", bore 4.320", stroke 4.625"

S&S CYCLE
0931-1208
910-0849A
Bolt-on cylinder kit that retains engine serial numbers, stock engine height and bolt pattern; includes MLS head gaskets. Not compatible with VVT models.
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€1,637.99
€1,988.89
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VAT included
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The Big Bore Cylinder Kit offers a straightforward, bolt-on upgrade to increase displacement while preserving core engine geometry. 🛠️

Original engine serial numbers are retained, and the kit preserves stock engine height and the factory bolt pattern for easier installation. 🔩

MLS (multi-layered steel) head gaskets are included, and the design works with the stock crankcase. Please note it is not compatible with VVT models. ⚠️

: 0931-1208
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Data sheet

Color/Finish
Wrinkle Black, Non-Highlighted Fins
Brand
S&S CYCLE
Bore Size
4,320"
Compression Ratio
11.0:1
Finish
Powder-Coated