High Performance Water Pump Application:3-Port (w/ Oil Cooler) Dual springs feature a heavier

Dual springs feature a heavier outer spring that handles the primary load requirements together with a lighter inner spring for added stability and control

EJ257/EJ255/EJ207/EJ205

Forester STI 6MT (3

and 3rd synchros

13270AA062(RH Gasket)

High Performance Water Pump Application:3-Port (w/ Oil Cooler) Dual springs feature a heavierSubaru changed their water pump design from a closed back cast impeller type to an open back stamped steel impeller to save money. The earlier cast impeller design is more efficient due to its rigidity and closer tolerances. We recommend using the cast impeller pump for all high performance turbo applications. Available with 3 ports for use with a factory oil cooler or 2 ports for non factory oil cooler applications. What it fits: EJ257 EJ255 EJ20X