JEGS GM LS Aluminum Cylinder Heads

Fully Assembled to Upgrade Your LS

JEGS LS Aluminum Cylinder Heads are the perfect replacement or upgrade for your LS-based engine. Starting with a new aluminum casting these heads are fully assembled with all new components including intake valves, exhaust valves, valve springs, retainers, guides, and seats. They are available in cathedral port and rectangular port designs to match your GM LS Engine needs.