Fel-Pro Cylinder Head Gasket - GM LS-Series H77803FXXXL See 4804-1 for a single

See 4804-1 for a single guide plate

CNC machined wing posts and mounts make mounting your front wing a snap

Taking the core features from AutoMeter's Pro Wideband

Air gap cooler and denser mixture for more power

2 dual exit pipes to connect to stock or aftermarket GT axle-back exhaust system

Fel-Pro Cylinder Head Gasket - GM LS-Series H77803FXXXL See 4804-1 for a singleProduct Description: Cylinder Head Gasket GM LS Series Fel Pro is the leading brand of replacement and performance automotive gaskets and sealing products. Fel Pro is recognized as the industry leader for premium replacement gaskets and seals for cars, SUVs, and light and medium duty trucks. They manufacture high quality solutions for everything from specific system repairs to complete engine overhauls. Fel Pro also offers specialty sealing products