CORKSPORT Mazdaspeed 3, Mazdaspeed 6, Turbo CX7 - Max Flow Fuel Pump Internals (Gen-6-999-10) 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). 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. High Rate Spring A higher rate spring is included in our kit for increased reliability and efficiency. Required Hardware Anodized Aluminum Installation Sleeve and Retaining Hardware included. Precision tolerances and improved efficiency 50% larger than the OEM pump internals for increased fuel volume flow.