LITTLE KNOWN FACTS ABOUT MAZDA RX-7 ENGINE.

Each individual Pettit Built Renesis is blueprinted and Road ported with our proprietary mods which offer included cooling for the exhaust ports minimizing side housing surface deformation at outer port edges, as well as the location all over primary spark plugs around the rotor housings.The 13B-RE within the JC Cosmo sequence was an analogous moto