JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE FUNDAMENTALS EXPLAINED

Until other preparations are made, all Pettit Developed engines use the most recent apex seal engineering from Mazda, dual sprung 2mm two piece, these seals use an improved electron beam chill hardening process on the best portion of the seal exactly where it contacts the rotor housing surface, to our understanding this technologies hasn't made it