Key Features
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Graphite Composite with Steel Core
Constructed using layers of graphite with a stainless-steel core for strength and flexibility. This design compensates for surface imperfections and improves long-term sealing under high heat. -
High-Temperature Resistance
Rated to withstand continuous exposure to temperatures exceeding 2,000 °F, making it ideal for performance and racing applications. -
Precision Tailored for GM LS1 Engines
Specifically designed to seal the passenger-side catalytic converter collector flange on LS1-equipped vehicles. -
Exact Sizing
Features a 2.250″ (2.25-inch) inner diameter matching OEM dimensions for seamless installation. -
Sold Individually
Each gasket is offered separately—perfect for replacement of a single collector or as needed.




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