2.5 Inch Copper Exhaust Header Gaskets (2PCS), Reusable Golden Collector Gaskets for SBC BBC 302 350 454 Automotive Engines Size: 2.5 Inch About this item 【High-Quality Copper】: This car exhaust gasket is made of high-quality copper material, providing excellent durability and strong heat and wear resistance. It is designed for long-term use and is ideal for high-performance engines. 【Effective Sealing】: The car exhaust collector gasket features an O-type design, delivering an excellent sealing effect that prevents gas leakage and improves exhaust efficiency, ensuring safe engine operation. 【Wide Application】: Automotive exhaust gaskets are designed for various engine models with a 3-bolt pattern to fit all collectors with triangles. Please confirm compatibility with your vehicle before purchasing. 【Easy Installation】: The car exhaust collector gasket is easy to install; simply place the washer at the port, align the pipe hole with the three screw holes, and tighten the nut. 【Package Include】: You'll receive 2 exhaust head collector gaskets measuring 3.9 x 2.5 x 0.2 inches, sufficient for promptly replacing damaged gaskets. Size: 3.9 x 2.5 x 0.2 inches.