The Carrillo Pro-A connecting rod for Mazda MZR 2.0 is listed as a single replacement rod supplied with a 3/8 WMC bolt. Intended for engine rebuilds or individual rod replacement, this item is a special-order part and is non-cancelable. Specs in the catalog identify it for the MZR 2.0 application; customers should confirm fitment and lead time when ordering special-order components.
Carrillo Mazda MZR 2.0 Pro-A 3/8 WMC Bolt Connecting Rod - Single (Special Order No Cancel)