The Pontiac G6 Cylinder Head controls airflow and seals combustion so that the engine breathes freely and maintains compression. The Cylinder Head sits on the cylinders. Furthermore, it directs the incoming air fuel through passages. In addition, it houses spark plugs, valves, and finally channels exhaust gases out. This is made efficient by a tightly clamping head gasket. Moreover, the torque to yield bolts apply clamping which stretches once. Further, this gives an even clamping pressure. Failure of the gasket will permit detection of compression loss between cylinders, introduction of coolant into oil passages, or overheating caused by combustion gas penetration into coolant. Pontiac offered both traditional cast-iron and lighter aluminum Cylinder Head designs in different production years. The aluminum versions weighed less, resulting in improved power to weight balance. They also dissipated heat quickly, enabling safe use of higher compression ratios. Iron versions retained durability but were heavier and held on to more heat. No matter what the materials are, performance-focused castings will strengthen critical areas which allow ports to be shaped for better flow to reduce the restrictions and increase horsepower. Disregard for the proper functioning of your engine can still result in worn guides, burnt valves, or cracks which can lead to a dead cylinder. The Cylinder Head of the Pontiac G6 will perform better if inspection is done regularly. On high mileage G6 models, warped Cylinder Head surfaces may allow leaks that sap performance.
Each OEM Pontiac G6 Cylinder Head we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.