114" To 128" Big Bore Conversion Cylinder & Piston Kit

S&S CycleSKU: 574119
filler

Price:
Sale price£1,501.99

Condition: Brand New
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Description & Size Guide

Complete bolt-on kit. Compatible with stock 114 engines, which have the required 4.5" stroke. Converts the 114" engine to 128". Incl. black wrinkle cylinders and a forged 4.250" bore piston & ring kit with 1.0805” deck height and -7.2 cc dish volume for an 11:1 CR with stock cylinder head combustion chamber volume. Incl. all required head & base gaskets and hardware. Provides a massive increase in capacity with bolt-on installation ease, no case boring, head work or flywheel re-balancing required. Note: S&S advises 576972 S&S head bolt kit for all big bore applications.

17-23 114" M8

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