fits make: Pontiac.

( Manufacturer Part Number: 485216 ), ( Part Type: Cylinder Head ), ( Placement On Vehicle: Left ), ( Surface Finish: Cast Iron ), ( Country/region Of Manufacture: United States ), ( Custom Bundle: Yes ), ( Bundle Description: Buyer Pays Freight. )
The 485216 Pontiac SD-455 Cylinder Heads are a premium upgrade for any Pontiac engine enthusiast. These cylinder heads are designed specifically for the Pontiac SD-455 engine, providing exceptional power and performance.
The SD-455 Cylinder Heads feature a unique combustion chamber design that increases the volume of the combustion chamber, allowing for more fuel and air to be burned in each cycle. This results in increased power output and improved engine efficiency. The heads also feature larger valves and ports, which allow for improved airflow and fuel delivery to the engine.
The SD-455 Cylinder Heads are made from high-quality aluminum alloy, which is lightweight and durable. The heads are also heat-treated to ensure maximum strength and longevity. The cylinder heads feature four-bolt main caps and eight-bolt deck bolts, ensuring a strong and secure fit to the engine block.
The SD-455 Cylinder Heads are also designed to work with a variety of intake and exhaust systems, making them a versatile upgrade option for Pontiac engines. The heads feature twin 1.94-inch intake valves and twin 1.60-inch exhaust valves, which provide excellent airflow and power.
In summary, the 485216 Pontiac SD-455 Cylinder Heads are a high-performance upgrade for Pontiac engines. They feature a unique combustion chamber design, larger valves and ports, and are made from high-quality aluminum alloy. The heads are also designed to work with a variety of intake and exhaust systems, making them a versatile upgrade option for Pontiac enthusiasts looking to increase power and performance in their engine.
Pros of buying 485216 Pontiac SD-455 Cylinder Heads:1. High Performance: These cylinder heads are designed for high-performance applications, providing increased power and torque.
2. Durability: The SD-455 cylinder heads are known for their robust construction, ensuring they can withstand high-stress conditions.
3. Compatibility: They are compatible with various engine types and configurations, making them a versatile option for many car enthusiasts.
4. Availability: These aftermarket parts are widely available, ensuring you can find them easily and at competitive prices.
Cons of buying 485216 Pontiac SD-455 Cylinder Heads:1. Cost: High-performance parts like these cylinder heads can be quite expensive, which may not be within everyone's budget.
2. Installation: Installing these cylinder heads may require specialized tools and expertise, leading to additional costs.
3. Potential for Engine Damage: If not installed correctly, these high-performance cylinder heads could potentially cause damage to the engine.
Conclusion:Buying 485216 Pontiac SD-455 Cylinder Heads can significantly improve your car's performance, but it's essential to consider the potential costs and challenges associated with these high-performance parts. If you have the required tools, expertise, and budget, these cylinder heads can be a great investment for enhancing your car's performance. However, if you're unsure about the installation, it may be wise to seek professional help to ensure the job is done correctly and safely.
Recommendation:If you decide to purchase 485216 Pontiac SD-455 Cylinder Heads, make sure you have a complete understanding of the installation process and the necessary tools. If you're not confident in your abilities, consider hiring a professional mechanic to install the parts for you. This will not only ensure a proper installation but also give you peace of mind, knowing that your car is in good hands.
Fully rebuilt and ready to bolt on. These have had a full valve job with all new parts including ferret stainless steel valves guides, locks, retainers, seals springs are for HUD roller camshaft exhaust crossovers been filled to increase performance and balance pulse.
Original Pontiac SD-455 cylinder heads.