Mazda 12A / Early 13B Waterpump with Billet Impeller

Fits all 12A and 13B engines from Rx2 through to Series 3 Rx7 (will not fit twin distributor engines)

• Brand new waterpump fitted with billet impeller upgrade 
• Impeller machined from aircraft grade 6061 T6 aluminium 
• Black anodised for longevity 
• New gasket included 
• Fitting instructions inlcuded 

This impeller is designed to eliminate cavitation, increasing waterpump cooling efficiency and flow rate, and freeing up a little extra HP at higher rpm. Not only is the blade design vastly improved over factory, but impeller to housing tolerances have been reduced to aid with proper waterpump function 

A must for high rpm engines. and any application that has excessive coolant temps