Supertech Single Valve Spring 27.50 / 20mm CB 20.7mm Chrome Silicon - Single

When you're rebuilding the top end of your engine, especially if you're looking to handle higher RPMs or a more aggressive camshaft, the valve springs are a critical component. This Supertech single valve spring is designed to replace your stock springs, offering a well-built option for your engine build. It's made from chrome silicon, a material known for its strength and ability to withstand the stresses of repeated valve operation.

This particular spring has a seat pressure of 27.50 lbs and a closed height of 20.7mm, with an outer diameter of 20mm. These specifications are important for ensuring proper valve control and preventing valve float at higher engine speeds. Choosing the right valve spring is key to achieving reliable performance from your engine's valvetrain.