Qlty: Fluoroelastomer (FKM) Meets or exceeds OEM standard quality and performance requirements. Designed to OE specifications. Established in 1972, AJUSA is a leading international manufacturer of gaskets, head bolt sets, lifters, and turbo components. Manufactured in Spain AJUSA's extensive OE quality product line coupled with its dedication and proven track record in providing the customer with excellent service mission and commitment to the marketplace.