Ferrea Acura C32B 37mm 5.48mm 112.37mm 20 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 12

If you're rebuilding the top end of a performance Acura C32B engine, especially one that's seeing track time or serious street use, you'll want to pay close attention to your intake valves. These Ferrea Competition Plus intake valves are built to handle the demands of a high-revving, high-performance engine. They are a full 1mm larger in diameter than stock, measuring 37mm, which helps improve airflow into the combustion chamber. This can lead to better power output and throttle response, especially when paired with other engine modifications.

Ferrea uses a high-quality steel alloy for these valves, heat-treated and then subjected to a special finishing process that makes them exceptionally durable and resistant to wear. The S-Flo design features a special undercut stem and a radiused face, which further helps to improve airflow and reduce turbulence as air enters the cylinder. This attention to detail in their construction means they can withstand the higher temperatures and pressures found in performance applications. They are designed as a direct replacement for the stock valves, but remember they are +1mm oversized, so ensure your valve guides are properly sized or reamed to accommodate them during installation.