fits make: Chevrolet, Gmc.

( Brand: Gm ), ( Manufacturer Part Number: 12562917 ), ( Type: 7.4l / 454 ), ( Core Charge: No ), ( Oe/oem Part Number: 10114156 ), ( Fitment Type: Direct Replacement ), ( Material: Cast Iron ), ( Country/region Of Manufacture: United States )
The 12562917 GM Chevrolet/GMC 7.4L 454 Vortec BBC Cylinder Head Port Chamber Set is an essential upgrade for any enthusiast looking to enhance the performance of their classic Chevrolet or GMC vehicle equipped with the 454 Vortec engine. This set includes a pair of fully-machined, high-flow cylinder heads that are specifically designed for BBC (Big Block Chevy) applications.
The cylinder heads feature a 2.02/1.60-inch intake and exhaust valve size, respectively, which provide exceptional airflow and combustion efficiency. The port chambers are meticulously engineered to maximize airflow, resulting in improved power output and throttle response. The cylinder heads also incorporate a high-strength cast iron construction, ensuring durability and reliability even under high-stress driving conditions.
Additionally, the set includes high-quality intake and exhaust manifolds, which are designed to seamlessly integrate with the cylinder heads. The intake manifold features a 2-bolt pattern, making it compatible with a wide range of intake systems, while the exhaust manifold is designed to optimize exhaust flow, reducing backpressure and further boosting power output.
The 12562917 GM Chevrolet/GMC 7.4L 454 Vortec BBC Cylinder Head Port Chamber Set is a high-quality, performance-enhancing upgrade for any 1965-1987 Chevrolet or GMC vehicle equipped with the 454 Vortec engine. Whether you're looking to gain a competitive edge on the track or simply want to enhance the performance of your daily driver, this set is an excellent choice.
Pros of buying a 12562917 GM Chevrolet/GMC 7.4L 454 Vortec BBC Cylinder Head Port Chamber Set:1. High Performance: This set is designed for high performance engines, providing better engine breathing and combustion, which can lead to increased horsepower and torque.
2. Compatibility: It is compatible with various 1996-2006 GM vehicles, making it a versatile option for many vehicle owners.
3. Durability: The BBK (Brian Tooley Performance) components are known for their durability and reliability, making this set a good long-term investment.
4. Improved Airflow: The port chambers and cylinder heads are designed to improve airflow, which can lead to better fuel efficiency and reduced engine heat.
Cons of buying a 12562917 GM Chevrolet/GMC 7.4L 454 Vortec BBC Cylinder Head Port Chamber Set:1. Cost: This set is a significant investment, and it may not be within everyone's budget.
2. Installation: Installing this set requires specialized tools and knowledge, which may require hiring a professional mechanic, adding to the overall cost.
3. Potential Voiding of Warranty: Installing aftermarket parts like this set may void the vehicle's warranty, so it's essential to check with your vehicle's manufacturer before making any modifications.
Conclusion:The 12562917 GM Chevrolet/GMC 7.4L 454 Vortec BBK BBK Cylinder Head Port Chamber Set is a high-performance upgrade for certain GM vehicles. It offers improved engine breathing, increased horsepower, and better fuel efficiency. However, it's a significant investment, and installation requires specialized tools and knowledge. Before making this purchase, consider your vehicle's warranty and whether the potential performance gains are worth the cost.
Recommendation:If you are looking for a high-performance upgrade for your GM vehicle and have the necessary tools and knowledge to install it, this set could be a great investment. If you're unsure or unsure about the warranty implications, it may be best to consult with a professional mechanic or the vehicle manufacturer before making a decision.
I operate my business on that simple principle, being transparent in dealings, provide a buyer with positive experience. Is doing the right things even if nobody will notice. SET of Rebuilt OEM VORTEC GEN V, VI 7.4L / 454 Cylinder Head Assembly. In some instances.
Valve job Performed with all required angles vacuum tested seals to ensure perfect compression. Before purchasing. Re manufacturing Process Includes: - Complete disassembly and thorough cleaning then pressure tested. Casting #: 10114156.
Information: combustion chamber: 118cc.: Stock Oval Port, Open Chamber Vortec 7.4L / 454 Cylinder Heads 1996 -2000. New valve seats installed as necessary. New valve stem seals installed on all our heads guides are replaced with new ones as necessary.