20B Apex Seals

* For the 20B Rotary Engine *APPLICATION: Cosmo 3-ROTOR 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!!