Cometic C4614-030 MLS Cylinder Head Gasket Bore Nissan - 90mm QR25DE

The Cometic C4614-030 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for 2007-2012 Nissan vehicles equipped with the QR25DE 2.5L 4-cylinder engine. This gasket features a .030" (0.76mm) compressed thickness and a 90mm bore diameter for optimal sealing performance.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior durability and heat resistance
• 90mm bore diameter engineered for QR25DE engine specifications
• .030" compressed thickness for precise compression ratio control
• Advanced embossment technology ensures even clamping pressure distribution
• Stainless steel construction with Viton rubber sealing beads
• Resists combustion chamber leakage and coolant seepage

Application Notes:

This gasket fits 2007-2012 Nissan QR25DE engines, including Altima, Sentra, and Rogue models. NOT compatible with Nissan Frontier applications. MLS gaskets require proper surface preparation with RA finish between 50-60 for optimal sealing. Cometic gaskets are designed for both stock rebuilds and performance applications where reliability is critical.

Cometic Gasket is a trusted manufacturer of high-performance gaskets used in racing and street applications worldwide. Their MLS technology provides exceptional sealing capabilities under extreme temperatures and pressures.