

FOG-7001C Copper Header Gaskets Chevy 265-400CI SB,
- Copper Header Gaskets
- Chevy 265-400CI SB
- Port: 1.51 in. x 4.52 in.
- Thickness: .060 in.
- Pair
Flatout Gaskets Rubber-Coated Copper (RCC) Header Gaskets For GM – Superior Sealing With Reusable High-Heat Performance
Flatout Gaskets Rubber-Coated Copper (RCC) Header Gaskets for GM combine the strength of solid copper with a durable rubber coating to deliver exceptional sealing and reusability. Designed for high-performance street and racing applications, these gaskets conform to uneven surfaces while maintaining a tight, leak-free seal under extreme heat and pressure. The rubber coating enhances grip and sealing capability, reducing blowouts and minimizing the need for retorquing. Perfect for a wide range of GM engines, Flatout RCC Header Gaskets provide long-lasting durability, precision fitment, and reliable exhaust sealing for demanding builds.