SCE SB Chevy Copper Cylinder Head Gasket - 4.155 x .043 KRX-STX-M1-HK Designed using 46mm monotube technology

Designed using 46mm monotube technology

inner and outer races

Hypercoils 20" Rear Springs allow the spring to stay in contact with the perch at all times for a wider range of pre-loading

Large fill plugs have a 3" opening

SCE SB Chevy Copper Cylinder Head Gasket - 4.155 x .043 KRX-STX-M1-HK Designed using 46mm monotube technologyProduct Description: Cylinder Head Gasket Pro Copper 4. 155 in Bore 0. 043 in Compression Thickness Copper Small Block Chevy Sold Individually SCE Gaskets specializes in gaskets for nearly every part of the engine that requires a gasket. They offer a variety of different materials for a large selection of applications. SCE has raised the bar for cylinder head sealing performance and consistency. Our new Gas Stopper enhancement to MLS Spartan head