WHAT DOES JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE MEAN?

For each apex (corner of the triangle) on the rotor, there’s a seal that keeps the corresponding chamber airtight, and every apex seal is loaded that has a flat spring to maintain connection with the housing. Apex seals and springs are envisioned to have on out just after around a hundred,000 miles or a lot less, but there are other causes of ape