Mazda RX7 and RX8 Engine Porting. We have full pictures and details of rotary engine porting and polishing for the Mazda RX7 and RX8. Engine porting ranging from a mild street port to a full bridge port. Custom porting is done as well for template specific ports. Jdm Oem Mazda Rx7 Rx-7 13b 20b Rx8 Rx-8 Cosmo Stationary Gear Main Bearing New. $89.50. Mazda Rx5 . Mazda Rx5 Cosmo 121 Factory Fuel Flap , 13b,20b, Rotary. $59.58.

Defined Autoworks provides service, repair and upgrades for Mazda RX7 and RX8 rotary engine and cars in the Columbus OH area and serves Cincinnati, Cleveland, Pittsburgh PA, Detroit MI, Indianapolis IN, Louisville KY and Lexington KY area (The 20B crank angle sensor is located at the same place where the 13B distributor is). The TEC units manage the ignition timing as well as fuel injection, with the main computers mounted in the polished aluminium compartment and the coil packs mounted on the suspension tower (TEC II units combine the computer and coil pack into one unit).