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Cylinder Head Cover Gasket: 12315-HN8-000
Gaskets are made from performance-grade materials to ensure reliable sealing and durability
Features large-diameter
For 2001-2004 Chevrolet GMC LB7 6
Maintains a stock-style appearance for seamless integration
2004-2006 Chevrolet GMC LLY 6.6L Duramax Diesel Exhaust Up-Pipe Ford Cylinder Head Cover Gasket: 12315-HN8-000Product Overview 1. Significantly reduces exhaust back pressure, offering 50% more flow compared to stock. 2. Features free flowing stainless steel inner liner bellows for enhanced airflow. 3. Constructed with stainless steel 11 gauge . 120 inch wall, 2 inch OD up pipes for durability and performance. 4. Direct bolt on replacement for factory manifolds, requiring no modifications. 5. Passenger side pipe is purposely indented for firewall clearance,
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