A SECRET WEAPON FOR JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE

Until other preparations are created, all Pettit Developed engines use the most up-to-date apex seal engineering from Mazda, dual sprung 2mm two piece, these seals use an improved electron beam chill hardening approach on the highest part of the seal where by it contacts the rotor housing area, to our knowledge this technologies hasn't created it