fits make: Chevy.

( Brand: Yella Terra ), ( Manufacturer Part Number: YT-6703 ), ( Type: Small Block Chevy ), ( Material: Aluminum )
The Race Shaft Roller Rockers for IMCA Chevy AFR 6700 series, specifically the Yella Terra YT model, are a high-performance upgrade for your race engine. These roller rockers are designed to provide improved valve control, reduced friction, and enhanced durability compared to traditional flat tappet rockers.
The Yella Terra YT roller rockers are manufactured using premium materials, including heat-treated steel for the shaft and high-quality roller tips. The roller tips are precision-machined to ensure a perfect fit with your AFR 6700 series valves, ensuring optimal valve movement and sealing.
One of the standout features of these roller rockers is their adjustable cam lobe centerline. This feature allows for easy and precise camshaft alignment, which can help improve engine performance and reduce camshaft wear. The roller rockers also feature adjustable valve lash to ensure consistent valve clearance throughout the engine's operating life.
The Race Shaft Roller Rockers for IMCA Chevy AFR 6700 series are designed to fit perfectly with your race engine's pushrods and rocker arms. They are also equipped with a self-lubricating, high-temperature bearing material, which reduces friction and extends the life of the roller rockers.
The Yella Terra YT roller rockers are available in a bright yellow finish, which not only adds a distinctive look to your engine but also makes them easy to identify during assembly and maintenance. These roller rockers are backed by Yella Terra's reputation for quality and performance, so you can be confident that you're getting a top-notch product that will help take your race engine to the next level.
Pros of buying race shaft roller rockers (IMCA Chevy AFR 6703 Yella Terra YT):1. Improved engine performance: Shaft roller rockers can provide better valve control and lift, which can lead to improved engine performance, increased horsepower, and better throttle response.
2. Durability: Race shaft roller rockers are designed to withstand the high-demand racing environment and are known for their durability and longevity.
3. Reduced maintenance: Shaft roller rockers require less maintenance than traditional flat tappet rockers, as they do not require valve lash adjustments or valve re-shimming.
4. Easy installation: Shaft roller rockers can be easily installed in your engine, and they do not require any major modifications to the engine block or cylinder heads.
Cons of buying race shaft roller rockers (IMCA Chevy AFR 6703 Yella Terra YT):1. Cost: Race shaft roller rockers can be more expensive than traditional flat tappet rockers, which may be a concern for some racers with a limited budget.
2. Compatibility: Some engines may not be compatible with shaft roller rockers, so it's essential to ensure that the AFR 6703 Yella Terra YT shaft roller rockers will work with your engine before purchasing.
3. Limited availability: Shaft roller rockers may not be as widely available as traditional flat tappet rockers, so you may have to search for a supplier or wait for them to be shipped.
Conclusion:If you are looking for improved engine performance, durability, and reduced maintenance in your IMCA Chevy, the AFR 6703 Yella Terra YT shaft roller rockers could be a worthwhile investment. However, consider the cost and compatibility before making a purchase. If you are unsure whether shaft roller rockers are the right choice for your engine, it may be a good idea to consult with a professional mechanic or racing expert.
Recommendation:If you decide to purchase the AFR 6703 Yella Terra YT shaft roller rockers, make sure to follow the manufacturer's installation instructions carefully to ensure proper installation and avoid any potential issues. It's also a good idea to have your engine checked by a professional mechanic before and after installation to ensure that everything is running smoothly.
These are over new.
Ran these six nights, on ABC afr eliminator 235 aluminum heads, then pulled engine because of rule changes. 5 ratio aluminum roller shaft rockers. Buyer pays shipping. Very low reserve on these awesome race parts.
Very nice Yella Terra All shims, bolts, etc in the box.