Lycoming Upstack Exhaust Gasket (3 Hole)(Airboat)

Crafted for Lycoming IO-540 upstack configurations, this 3-hole exhaust gasket delivers the precision sealing required for reliable airboat engine operation. The gasket's engineered design eliminates exhaust leakage and prevents system failures that could impact engine performance. Built to withstand demanding conditions, it ensures consistent functionality and extended service intervals through superior material composition and exact dimensional tolerances.