Manley Performance Extreme Duty Stainless Steel Valves +1mm Oversized 2002-2005 WRX / 2004-2014 STI YMM_2022_GT86 Works with all Turbo EJ20

Works with all Turbo EJ20 motors with the OEM flat bottom single scroll oil pan

more predictable handling

Material: High-grade cast iron

verify compatibility for aftermarket setups

Manley Performance Extreme Duty Stainless Steel Valves +1mm Oversized 2002-2005 WRX / 2004-2014 STI YMM_2022_GT86 Works with all Turbo EJ20Enhance your Subaru WRX STIs engine performance with the Manley Performance Extreme Duty +1mm Oversized Stainless Steel Valves. Designed specifically for 2002 2005 WRX and 2004 2014 WRX STI models, these valves improve airflow and durability, helping your engine breathe better for increased power and efficiency during rebuilds or forced induction upgrades. Crafted from premium XH 426 stainless steel for exhaust valves and NK 842 stainless steel for