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The Stage 1 kit includes the MACSBOOST Module, 17/29 Solas Concord Impeller, Prop installation Tool and the billet aluminum impeller boot seal. This is the best MACSBOOST deal on the net and is everything you need to take your honda to the next level in performance. The Solas impeller complements the horsepower boost of the module by providing improved hookup and acceleration vs the stock prop. If you want great bang for the buck, this is the MACSBOOST Aquatrax performance package for you! The 17/29 pitch is recommended for both the R12X and F12X and will work without the module installed. We do not sell Impellers without a MACSBOOST module as we know you will not be happy with a prop alone!
Be sure to check out the MACSBOOST Intercooler to build even more Horsepower! * torque the impeller to 94 ft lbs and use removable threadlocker (aka blue loctite) on the threads!
email sales if you need further impeller install instructions and pictures. See the link below for an impeller install walk through.