Cometic C4227-045 MLS Cylinder Head Gasket Bore Peugeot - 86.5mm XU9J4 XU10J2 XU10J4 045 Inch

The Cometic C4227-045 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Peugeot XU9J4, XU9J4Z, XU10J2, and XU10J4 engines with an 86.5mm bore diameter and .045 inch compressed thickness. This precision-engineered gasket provides maximum sealing performance for performance builds and high-output applications.

Multi-Layer Steel Construction:

• Three layers of stainless steel for superior strength and durability
• Embossed outer layers with Viton fluoroelastomer coating on both sides
• Heat resistant up to 482°F (250°C) for extreme temperature applications
• Excellent corrosion resistance and rebound characteristics
• No additional sealants required for installation

Performance Features:

• 86.5mm bore diameter for proper cylinder sealing
• .045 inch compressed thickness allows for custom compression ratios
• Ideal for both aluminum head to cast iron block applications
• Withstands shearing forces between dissimilar materials
• Load Control Embossments (LCE) distribute torque evenly across sealing surface
• Reduces bore distortion for improved piston ring seal

Application: Compatible with Peugeot XU9J4 (1.9L 16-valve), XU9J4Z (emissions-controlled variant), XU10J2 (2.0L 16-valve), and XU10J4 (2.0L 16-valve) engines found in Peugeot 205, 306, 405, 406, 605, 806 and Citroën BX, ZX, Xantia models. These aluminum cylinder head engines were part of PSA's XU engine family produced from the 1980s through 2000s.

Cometic Gasket is an industry leader in precision gasket manufacturing, utilizing advanced materials and in-house testing facilities to deliver championship-winning performance across professional and amateur motorsports applications. Each gasket is custom-designed for specific engine requirements to ensure optimal sealing and reliability.