Pro Copper Embossed Exhaust Gasket - 1.450" x 1.850" SCE-4311 Thermostats Sizing is held to exact

Sizing is held to exact tolerances

RPM operating range 2400-6500 Duration advertised Inlet 288°

AF503-04BLK

Shut Off Valve -12ANBlue Finish

Weld On Filler Neck & Cap With Roll Over Valve

Pro Copper Embossed Exhaust Gasket - 1.450" x 1.850" SCE-4311 Thermostats Sizing is held to exactPro Copper Embossed Exhaust Gasket 1. 450" x 1. 850"Suit S B Chev with Oval Ports SCE 4311 E 4311 SCE introduced the first embossed copper exhaust gaskets in 1995, and they are still the best way to seal even warped or irregular exhaust manifold or header sealing surfaces. Copper is malleable so the gasket conforms to surface irregularities filling in leak paths, unlike multi layer steel which is too hard for all but the smoothest surfaces. In house