Maximize your stock fuel system while protecting your engine with the CorkSport MZR DISI Max Flow Fuel Pump Internals. With well over 2 years of research and development, you can count on CorkSport to bring innovation to the high pressure fuel pump on your Mazdaspeed. With hardening surface treatments, high strength coatings and a machined tolerance that is the best on the market, our pump internals are ready to give you the most performance available for your dollar/pound. These pumps are precision machined, then treated, then coated and then machined again for a perfect fit and an ultra-high efficiency. That difference in the real world is going to be higher horsepower capability, safer air/fuel ratios and the ability to go that much further in the quest for power without worrying about fuel supply. 

The Corksport Advantage.

Fully Machined Installation Tools Designed to help provide the most trouble free install on the market (the keeper tool even turns into a bottle opener for your keychain).

High Rate Spring A higher rate spring is included in our kit for increased reliability and efficiency.

Designed Specifically for Mazdas The ONLY pump internals on the market designed by a Mazda performance company for the Mazda MZR engine, including Mazdaspeed 3, Mazdaspeed 6 and Turbo CX7.

Precision tolerances and improved efficiency 50% larger than the OEM pump internals for increased fuel volume flow.

Required Hardware Anodized Aluminium Installation Sleeve and Retaining Hardware included.