The ACL Race Series rod bearing set for Ford B/D series 1099–1700cc is offered in .025mm (0.001") undersize for Cosworth-series 1601cc inline-four DOHC engines. Presented as a connecting rod bearing set for engines like the BDA/BDB/B... family, the description focuses on the specified undersize dimension for accurate crank journal sizing during engine reconditioning.
ACL Ford 4 BD Series 1099-1700cc 001 Oversized High Performance Rod Bearing Set