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The ACL main bearing set is a crankshaft main bearing kit that supplies the bearings needed when replacing worn mains to preserve crank support and rotational stability during rebuilds. It’s intended as a practical replacement kit for service. This set fits Toyota 4‑1858–1968cc 8R/18R engines for 1969–1974 applications.
ACL Toyota 4 1858-1968cc 8R/18R 1969-74 Engine Crankshaft Main Bearing Set
