Lycoming 435, 480 & 540 Series Top Overhaul Silicone Gasket Kit | Complete 6-Cylinder Engine Seal Kit

Lycoming 435, 480 & 540 Series Top Overhaul Gasket Kit

Perform a complete top-end engine overhaul with confidence using this Top Overhaul Gasket Kit for select Lycoming 435, 480, and 540 Series aircraft engines. This comprehensive kit includes the essential gaskets and seals needed to service all six cylinders, helping prevent oil, intake, and exhaust leaks while restoring dependable engine performance.

Manufactured to OEM specifications, each component is designed for a precise fit, long-lasting durability, and reliable sealing during engine rebuilds, cylinder replacement, and routine maintenance.

Kit Includes

• (24) Silicone Shroud Tube Seals
• (12) Rocker Shaft Cover Gaskets
• (6) Silicone Rocker Cover Gaskets
• (6) Cylinder Base Oil Seal O-Rings (4.84" I.D. × 0.09")
• (6) Intake Gaskets
• (6) Intake Pipe O-Rings (1.599" I.D.)
• (6) No-Blow Exhaust Gaskets

Features

• Complete top overhaul gasket kit for six-cylinder Lycoming engines
• Manufactured to OEM specifications for fit and performance
• Premium silicone rocker cover gaskets for superior leak protection
• High-temperature silicone shroud tube seals for extended service life
• No-Blow exhaust gaskets provide a durable, leak-free exhaust seal
• Helps prevent oil, intake, and exhaust leaks
• Ideal for top-end overhauls, cylinder replacement, and engine maintenance

Engine Compatibility

Compatible with select Lycoming engines, including:

• GO-435 Series
• VO-435 Series
• TVO-435 Series
• GO-480 Series
• GSO-480 Series
• IGSO-480 Series
• IO-540 Series (A, G, K, L, P, S & AA Models)
• AEIO-540-L
• TIO-540 Series
• LTIO-540-U
• VO-540 Series
• TVO-540 Series
• TIVO-540 Series
• IGO-540-A
• IGSO-540-A

Note: This kit is compatible with many additional dash-number variants within the engine series listed above. Please verify your complete engine model before ordering to ensure proper fitment.

This complete top overhaul gasket kit provides the premium sealing components needed to restore engine reliability, reduce the risk of leaks, and keep your Lycoming engine operating at peak performance.