Manley Performance Race Flo Stainless Steel Intake Valves 2002-2005 WRX / 2004-2014 STI

Okay you’re in the middle of a motor rebuild and so far you have all your ducks in a row. You’ve got big turbo, forged pistons, flat bill hat, energy drink, oh yeah, VALVES! The Manley Race Series Valves, and Extreme Duty Valves have been designed to make sure your head is moving air effectively so that your engine is using power to its fullest potential. 

These intake valves have been crafted from NK-842 stainless steel. These valves also feature chrome stems, as well as hard tips, for enhanced longevity and wear resistance.

The valves are finished off with a fully machined, swirl polished finish to optimize airflow and combustion efficiency, and come with a 36mm head diameter.

NOTE: This listing is for the INTAKE VALVES ONLY.