S&S CYCLE 132" Power Package for M8 — 4.32" Bore, 11.0:1 Compression, 132" – 18-23 Softail, 17-19, 21-23 Touring, 22 CVO, 17-23 Trike
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Big-bore bolt-in kit for M8 applications that increases 114"/117" 4.5" stroke engines to 132" without case machining.