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

For every apex (corner of a triangle) on the rotor, there’s a seal that retains the corresponding chamber airtight, and every apex seal is loaded which has a flat spring to maintain connection with the housing. Apex seals and springs are anticipated to dress in out just after all-around one hundred,000 miles or a lot less, but there are actually