13B Apex Seals

* For the 13B Rotary Engine *APPLICATIONS: RX-7 FC3S & FD3S engine•These are Goopy Apex Seals made from strength and Longevity in mind. Made from Goopy-Alloy in the USA! An ‘Unbreakable’ Apex Seal that will support all your needs from a stock engine overhaul to full high horsepower Builds!!