The ACL Race Series rod bearing set is an oversized (.025 mm) high-performance kit for Porsche 911 engines from 1978–1989. Supplied to accommodate an increased journal diameter, this .025 mm oversized set supports rebuilds and performance engine work where the crank has been machined. It provides a complete rod bearing complement sized to the specified oversize.
ACL Porsche 911 78-89 .025mm Oversized High Performance Rod Bearing Set