EngineQuest EQ-CH364AA Cylinder Head 69cc Cathedral Port Head for GM LQ4 317 6.0L

GM LS 6.0L Cylinder Head 69cc Cathedral Port
Cylinder Head - Assembled - 2.000 in/1.570 in Valves - 211 cc Intake - 71 cc Chamber - Aluminum - GM LS-Series - Each

All EQ cylinder heads outperform their competitors!

• Thicker deck for greater strength
• Improved design resists cracking
• Superior port finish for increased flow
• Water flow redesigned for greater thermal conductivity
• Hardened exhaust seats
• CNC machined guides and seats
• 25-point quality check on every head
• 3-angle valve finish