SPD Y-block billet black SPD Y-cross of highest quality. Billet Y-block with straight connections to facilitate easy installation. The Y-Block has 3xAN10 female connections with a large internal bore for high flow. The Y-Cross has 1/8 "NPT connection for measuring pressure or temperature. Adapters are used to combine inputs / outputs to the desired size. Select adapters of coice in the drop down menu. Specifications: - 3 x AN10 female O-ring sealed connections - 1 x 1/8 "NPT sensor outlet. - 1x mounting hole with bolt - High flow design CC measurment between the two AN10 connections are 35mm All SPD products have the absolute highest quality and are carefully tested to work in the most demanding motorsports avalible.