fits make: Chevrolet.

( Brand: Yella Terra ), ( Manufacturer Part Number: YT6640 ), ( Part Type: Head ), ( Important Infomation: For Afr Heads Only )
The LS1-LS2 Yella Terra Chevrolet V8 Platinum 7-16 Rockers with 1.7 AFR Heads and YT6640 Camshaft is a high-performance upgrade for your Chevrolet engine. This kit is designed for the LS1 and LS2 engines, and it includes top-quality components that are designed to increase horsepower, torque, and overall engine performance.
The 7-16 rocker arms are made of high-strength steel and are designed to provide precise valve control. They are polished for a sleek look and are coated in a durable finish to protect against corrosion and wear. The 1.7 AFR heads are also made of high-quality materials and are designed to provide optimal air/fuel mixture for maximum combustion.
The YT6640 camshaft is a high-lift, high-duration camshaft that is designed to provide maximum power and performance. It is made of high-strength steel and is designed to work seamlessly with the other components in this kit. The camshaft has a 242/246 duration at 0.050" lift and a 0.600" lift at 0.550" duration, which provides excellent power and torque throughout the RPM range.
This kit also includes a set of Yella Terra valve springs and retainers, which are designed to provide reliable valve control under high-performance conditions. The springs are made of high-tensile steel and are coated in a durable finish to protect against wear.
Overall, this LS1-LS2 Yella Terra Chevrolet V8 Platinum 7-16 Rockers with 1.7 AFR Heads and YT6640 Camshaft kit is a high-performance upgrade for your Chevrolet engine. It is designed to provide maximum power and torque, and it is made of high-quality materials that are designed to last. If you are looking to take your Chevrolet engine to the next level, this kit is a great option to consider.
Pros of buying a LS1-LS2 Yella Terra Chevrolet V8 Platinum with 7-16 rockers, 1.7 AFR heads, and YT6640:1. Power and Performance: The LS1-LS2 engine is known for its power and performance, and the upgrades like 7-16 rockers and 1.7 AFR heads will further enhance these characteristics.
2. Reliability: The LS engine is renowned for its reliability, and the upgrades will only add to its durability.
3. Customizability: With the LS platform, there are a multitude of aftermarket parts available, allowing for endless customization options.
Cons of buying a LS1-LS2 Yella Terra Chevrolet V8 Platinum with 7-16 rockers, 1.7 AFR heads, and YT6640:1. Cost: The upgrades and overall cost of this engine can be quite high, making it a significant investment.
2. Fuel Consumption: The more powerful the engine, the more fuel it will consume, which can be a disadvantage for those looking for better fuel economy.
3. Noise Level: The upgrades may lead to a louder engine, which may not be desirable for those looking for a more quiet ride.
Conclusion: The LS1-LS2 Yella Terra Chevrolet V8 Platinum with 7-16 rockers, 1.7 AFR heads, and YT6640 is an excellent choice for those looking for power, reliability, and customizability in a vehicle. However, the high cost and potential for increased noise level are important factors to consider before making a purchase.
Recommendation: If you are willing to make the investment, this engine is a great option for those looking to enhance the performance of their vehicle. However, it may not be the best choice for those looking for a more budget-friendly or fuel-efficient option.
One was damaged. 8 rockers I have 7 out of. May fit other make model vehicles.
You are buying on it used Yella Terra ls2 These were installed in my trailblazer SS.