fits model: 454. make: Chevy.

( Brand: Jomar ), ( Manufacturer Part Number: JOM5273 ), ( Part Type: Aluminum Block Head Spacer Plate )
The JOM5273 Jomar 5273 Big Block Chevy BBC Port Heads Spacer Kit Plates 454 GM is an essential upgrade for any Big Block Chevy engine enthusiast. This kit is specifically designed for 454 GM engines and is composed of high-quality spacer plates and port head spacers.
The spacer plates are meticulously crafted from durable materials to ensure a perfect fit and secure installation. They are designed to provide additional clearance between the cylinder heads and the valve covers, thereby allowing for the installation of larger valves and ports without compromising engine clearance. This kit is ideal for those looking to increase engine performance by improving airflow and combustion efficiency.
The port head spacers, on the other hand, are designed to provide additional clearance between the cylinder head and the intake manifold. This allows for the installation of taller intake manifold runners, which can further improve engine performance by providing better airflow to the combustion chambers.
The JOM5273 Jomar 5273 Big Block Chevy BBC Port Heads Spacer Kit Plates 454 GM is a comprehensive solution for improving engine performance in 454 GM engines. It is easy to install, requiring only basic hand tools, and is backed by Jomar's reputation for quality and durability. This kit is a must-have for any Big Block Chevy engine enthusiast looking to take their engine to the next level.
Pros of buying JOM5273 JOMAR 5273 Big Block Chevy BBCTM Port Heads Spacer Kit Plates 454 GM:1. Enhances engine performance: The kit provides spacer plates that can help increase the combustion chamber volume, which can lead to improved engine performance, power, and torque.
2. Easy installation: The kit comes with clear instructions and is designed for easy installation, which can save time and effort for DIY enthusiasts.
3. Durable materials: The kit is made of high-quality materials, such as stainless steel and aluminum, which can ensure long-lasting performance and durability.
4. Compatibility: The kit is compatible with various Big Block Chevy engines, such as 454 cubic inch and 400 cubic inch, which can make it a versatile option for many car owners.
Cons of buying JOM5273 JOMAR 5273 Big Block Chevy BBCTM Port Heads Spacer Kit Plates 454 GM:1. Expensive: The kit can be expensive compared to other performance upgrades, which can be a deterrent for some car owners.
2. Requires specific engine configuration: The kit requires a specific engine configuration, such as a Big Block Chevy engine, which can limit its applicability to other engine types.
3. Potential engine damage: If not installed properly, the kit can cause engine damage, such as detonation or misfiring, which can affect engine performance and lifespan.
In conclusion, the JOM5273 JOMAR 5273 Big Block Chevy BBCTM Port Heads Spacer Kit Plates 454 GM is a high-quality performance upgrade that can enhance engine performance and durability. However, it is important to consider its high cost and specific engine compatibility before making a purchase. If you have the necessary engine configuration and budget, the kit can be a worthwhile investment for improving your car's performance. If you are unsure, it is recommended to consult with a professional mechanic to ensure proper installation and avoid potential engine damage.
Allows your 10. New Jomar 5273 tall deck big block Chevy spacer plates for use with oval port heads. Not many places sell these.
May require a slip collar distributor to get proper cam gear mesh will 2 sets of intake gaskets this is the best price you'll see for set oval port spacer plates deck height big block Chevy be used with standard manifold thick billet aluminum and valley spacers dowel pins included for use heads.