Manley Volkswagen 1.7L 50mm Dia 4.606in Length Race Series Intake Valve Kit

These Manley Race Series intake valves start with a 50mm diameter and a 4.606-inch length, built from high-quality stainless steel. They're made for engines that see a lot of action, especially those running up to 8000 RPM, like you'd find in bracket, drag, or oval track racing applications. The stainless steel construction is key here, offering solid durability for the demanding conditions these valves are designed for.

You'll also find chrome stems and hard tips on these valves, which adds to their lifespan and helps them resist wear over time. The under-head areas are swirl polished, and the combustion faces are fully machined. This design work helps optimize airflow into the cylinder and can contribute to better combustion efficiency. Manley offers different shapes, like the straight stem Race Master or the Race Flo, so you can pick what best suits your engine's specific needs.

These are also a recommended choice for exhaust valves in alcohol-fueled engines, showing their resilience. If you're rebuilding the top end of your Volkswagen 1.7L and need reliable valves, these are a well-built option.