Description of Competition Cams 621 16 Valve Diameter
Fit type: Universal Fit. Package Dimensions: 0.762 H x 14.986 L x 9.906 W (centimetres). Country of Origin : United States. Package Weight: 0.1 pounds.
These valve upgrades have greatly improved the performance of my Automotive vehicle. I noticed A significant increase in power and acceleration. The installation process was also relatively easy. The only downside is the price, they are quite expensive but worth the investment for any Automotive enthusiast looking to enhance their vehicle's performance. .
Pros
Improved engine performance due to increased valve diameter
Cons
Possible need for additional engine modifications to optimize valve size
I used these to fix some minor valvetrain alignment problems on my roller rocker arms remedy. Didn't completely solve the problem but helped fix it in the standards. also helps create more contact area at the tip of the valve stem for the rocker arm to make contact with.
Pros
Packaging dimensions: .762H x 14.986L x 9.906W (inches)