107" To 124" Big Bore Conversion Cylinder & Piston Kit For 17-23 107" M8

S&S CycleSKU: 574118
filler

Price:
Sale price£1,534.99

Condition: Brand New
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Description & Size Guide

Complete bolt-on kit. Compatible with stock 107" engines, which have the required 4.375" stroke. Converts the 107" engine to 124". Incl. black wrinkle cylinders with highlighted fins and 4.250" bore forged piston & ring kit with 1.143” deck height and -4.3 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: Compatible with OEM head bolts but S&S advises the, 14% stronger than stock, 576972 S&S head bolt kit for all big bore applications.

17-23 107" M8

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