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Carrillo Pro-H 3/8 WMC bolt connecting rods for BMW M3 S14 engines (S14B23, S14B25) are four‑cylinder replacement rods built to Carrillo’s Pro-H specification. They are intended to provide robust connecting-rod strength for high-revving S14 applications, using WMC bolt hardware to maintain secure bolt clamping and reliable rod performance under demanding engine conditions.
Carrillo BMW M3 / S14B23 S14/B25 Pro-H 3/8 WMC Bolt Connecting Rods (4 cyl)
