Lycoming Single Cylinder Parallel Valve Head Gasket Kit with Silicone Rocker Cover Gasket | Fits O-290, O-320, IO-320, O-360, IO-360, O-540 & More

Lycoming Single Cylinder Parallel Valve Head Gasket Kit

Complete your cylinder repair or overhaul with this Single Cylinder Parallel Valve Head Gasket Kit for select Lycoming aircraft engines. This comprehensive kit includes the essential gaskets, seals, and hardware needed to service one parallel-valve cylinder, helping prevent oil, intake, and exhaust leaks while restoring reliable engine performance.

Manufactured with premium sealing materials, including a silicone rocker cover gasket and silicone shroud tube seals, this kit is ideal for routine maintenance, cylinder replacement, and top-end engine overhauls.

Kit Includes

• (2) Silicone Shroud Tube Seals
• (2) O-Rings
• (1) Cylinder Base Oil Seal Ring (4.84" I.D. × 0.09")
• (1) Intake Gasket
• (1) Silicone Rocker Cover Gasket
• (1) Lock Plate
• (1) No-Blow Exhaust Gasket

Features

• Complete gasket kit for servicing one parallel-valve cylinder
• Premium silicone rocker cover gasket for a durable, leak-free seal
• High-temperature silicone shroud tube seals for extended service life
• No-Blow exhaust gasket for dependable high-temperature sealing
• Helps prevent oil, intake, and exhaust leaks
• OEM-style fit for quick and easy installation
• Ideal for cylinder replacement, engine maintenance, repairs, and top overhauls

Engine Compatibility

Compatible with many Lycoming parallel-valve engine models, including:

• O-290 Series
• O-320 Series
• IO-320 Series
• LIO-320 Series
• AIO-320 Series
• AEIO-320 Series
• O-340 Series
• O-360 Series
• IO-360 Series
• HO-360 Series
• HIO-360 Series
• VO-360 Series
• IVO-360 Series
• O-540 Series
• IO-540 Series
• AEIO-540 Series

Note: This kit fits many additional dash-number variants within the engine families listed above. Please verify your complete engine model before ordering to ensure proper compatibility.

This single-cylinder gasket kit provides the premium sealing components needed to complete a professional-quality repair and keep your Lycoming engine operating at peak performance.