【High-quality Materials】Our exhaust header gaskets are made of high-quality copper, which has good thermal conductivity, wear resistance, pressure resistance and high temperature resistance. It can withstand high-temperature and high-pressure exhaust gas without deformation or damage. The copper material increases hardness and prevents wear, the surface is beautiful and durable
【Easy to Install】Each package includes 2 copper header exhaust collector gaskets with 3 slotted bolt holes. During installation, simply place the radiator on the port, align the piston holes, and ensure that the screw holes correspond to the bolt holes. Then tighten the nuts to firmly fix the exhaust header gasket in place to ensure that it is firmly and reliably installed
【Sealing Performance】As an important component of the automotive exhaust system, the header gasket & collector gasket adopts a durable composite 0-shaped design with excellent sealing performance, effectively preventing hot gases from diffusing outward from the connection, increasing hardness, preventing wear, and beautiful surface
【Compatibility】 This header gasket is designed for SBC, BBC, 302, 350, 454, and is suitable for all 3.5-inch collectors with triangles (3-bolt mode). These gaskets help reduce energy loss and reduce engine noise, maintaining optimal engine efficiency and performance in automotive applications
【Product Specifications】The distance between the two bolt holes of the header gasket is 3.49 inches/88.7 mm, suitable for 10 mm bolts. After purchase, you will receive two 3.5-inch exhaust pipe gaskets, which can add more safety to your driving journey as a reliable and durable automotive replacement part