E&J Autoworks Apex seals Mazda 13B 2MM RX7, RX3, Cosmo 13B-REW 13B NA 13B TurboLucky 7 Racing is the E&J Apex seals west coast distributor. These are the Legendary world record holding apex seals! This is for 1 set, 2 rotor engines (6 apex seals) Unbreakable yet soft on the housings, these seals do not scratch or dig into the housings or irons, Make High Compression numbers right out the box. We use these seals in our race engine builds and run them on our Time Attack RX 7 shop cars. For: 2mm, 13B, 13BT, 13B REW and 13B Cosmo we