Genuine GM Performance (12594171) COPO LS7-Style Exhaust Header Gasket 604747187217 Heavy-duty cast aluminum with nonstick

Heavy-duty cast aluminum with nonstick finish

The ignition lock cylinder is where you insert and turn the key to start the vehicle

all JT Sprockets meet or exceed the highest possible quality standards for the powersports industry

and complete line of precision FULL sweep stepper and Audio gauges set this series apart

Genuine GM Performance (12594171) COPO LS7-Style Exhaust Header Gasket 604747187217 Heavy-duty cast aluminum with nonstickBrand Genuine GM Model 12594171 COPO LS7 style exhaust header gaskets Designed for high temperature operation Stamped metal shim gasket Can be used on applications with headers LS7 Header Exhaust Factory Gasket sold as a single gasket, requires two pieces for one engine. GM factory replacement gasket for LS7 cylinder heads. This is a stamped metal shim gasket with the D shaped exhaust port. Can be used on applications with headers, if the flange