LS Cathedral Heads

LS Cathedral Port Heads – 226cc Runner / 64cc Chamber

Looking for serious performance without the premium price tag? Our LS Cathedral Port Cylinder Heads are the perfect budget-friendly upgrade for your LS build. Designed with 226cc as cast intake runners and 64cc combustion chambers, these heads deliver strong flow and power gains—ideal for street/strip use or boosted applications on a budget.

Each set is assembled in-house at our Pennsylvania facility using high-quality stainless steel valves and PAC performance valve springs for durability and reliability under high-RPM conditions. Featuring 2.000” intake valves and 1.600” exhaust valves, these heads flow a strong 267 CFM at .550” lift—a clear improvement over stock castings.

Key Specs:

• Runner Volume: 226cc

• Chamber Volume: 64cc

• Valve Sizes: 2.000" intake / 1.600" exhaust

• Airflow: 267 CFM @ .550” lift

• Valves: Severe Duty Stainless steel swirl polished valves

• Valve Springs: PAC Racing Springs Hydraulic roller .700" Max Lift

• Assembly: Assembled at our Pennsylvania facility

• Compatibility: LS1, LS2, LS6 cathedral port platforms

SOLD AS A PAIR

Get more power and better performance without overspending—these heads strike the perfect balance between cost, quality, and capability.