In testing we have seen a 1.5v increase from installing this kit. This kit installs very easily since it plugs into the factory connector in the hatch area and also plugs into the factory connector on the fuel pump cover.
SPARCO 01502252CA Sparco Steering Wheel Hub fits Mazda RX7 86>
SPARCO 600SB115L Sparco Base fits Mazda RX7 86-91 Lft
SPARCO 600SB115R Sparco Base fits Mazda RX7 86-91 Rt
SPARCO 600SB090L Sparco Base fits Mazda RX7 92-02 Lft
Fits Mazda RX7 (FB) Series 2 (Rear Solid Discs) 81'-83 - SAFEBRAKE Performance
Brembo 09.5869.14 fits Mazda 90-93 Miata Front Premium OE Equivalent Rotor