The Granatelli 4.0-inch union sleeve spare is a replacement sleeve component intended for 4.0" (102mm) dual-seal clamp systems in aluminum. Sold individually, it restores the mating surface needed for a secure dual-seal clamp union, making it useful for repairs or custom builds where the sleeve must be renewed to ensure a reliable sealed connection.
Granatelli 4.0in Union Sleeve Spare Aluminum Dual Seal Clamp