Big Bore Cylinder Kit — 129 cu in, 4.320 in bore, 4.375 in stroke, 11.0:1 compression

S&S CYCLE Big Bore Cylinder Kit — 129 cu in, 4.320 in bore, 4.375 in stroke, 11.0:1 compression

S&S CYCLE
0931-1204
910-0844A
Direct-fit big bore cylinder kit that retains original engine serial numbers and stock bolt pattern.
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€1,637.99
€1,988.89
Save €350.90
VAT included
local_shipping In stock, ships in 20-25 days

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The Big Bore Cylinder Kit provides a durable, direct-fit upgrade for compatible engines. 🔧

Features:

  • Original engine serial numbers are retained
  • MLS (Multi-Layered Steel) head gaskets
  • Retains stock engine height
  • Stock bolt pattern
  • Works with stock crankcase
  • Not compatible with VVT models

Engineered for straightforward installation and lasting reliability.

: 0931-1204
In Stock

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