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The Carrillo Pro‑A connecting rods for the Mazda MZR 2.3 use 3/8 WMC bolts and are offered as a precision connecting-rod solution. Supplied as a special‑order item (no cancel), these rods provide the high‑quality rod geometry and fastening approach Carrillo specifies for MZR 2.3 engine builds and performance rebuild projects requiring that bolt configuration.
Carrillo Mazda MZR 2.3 Pro-A 3/8 WMC Bolt Connecting Rods (Special Order No Cancel)
