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Maintain Peak Engine Performance with Cylinder Heads

When keeping your car, truck, or SUV in tip-top shape, Geri Lynn Nissan is always there for you. Cylinder heads seal your combustion chambers and house the valves that control airflow. We stock genuine Nissan cylinder heads designed specifically for your GT-R and NV. Aftermarket cylinder heads often use casting processes that leave internal weaknesses prone to cracking under stress.

What Cylinder Heads Do for Your Engine

Cylinder heads attach to the engine block and create sealed chambers where fuel combustion occurs. They contain the intake and exhaust valves that open and close to allow air-fuel mixture in and exhaust gases out. Coolant passages inside the heads regulate temperatures while maintaining structural strength. Spark plugs thread into the heads at specific angles for efficient ignition. The camshafts also mount in the heads to control valve timing precisely. A properly functioning cylinder head maintains compression necessary for power generation.

Why Cylinder Heads Eventually Fail

Repeated heating and cooling cycles create metal fatigue that can develop into cracks. Severe overheating from coolant system problems warps the flat sealing surface permanently. Contaminated coolant corrodes internal passages and compromises structural integrity over time. Generic aftermarket heads frequently lack proper heat treatment during manufacturing. Detonation from incorrect fuel octane physically damages cylinder head material. Age and high mileage eventually wear valve seats and guide bores beyond serviceable limits.

Signs Your Cylinder Heads Need Attention

White smoke from the tailpipe indicates coolant burning inside combustion chambers from cracked heads. Persistent engine overheating despite adequate coolant suggests warped head surfaces. Milky oil appearance means coolant and oil are mixing through internal cracks. Loss of compression across multiple cylinders often points to head gasket or head failure. Replacing damaged cylinder heads along with valve covers prevents oil leaks and maintains proper engine sealing throughout your powertrain.

The Geri Lynn Nissan has all the parts you need for your next car repair.