Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) turn14-in-stock 2018-2021 Subaru WRX STI H4-2

2018-2021 Subaru WRX STI H4-2

Touring Edition: 69 lbs

Mishimoto is proud to release a brand new radiator for EK chassis Civics with K-Series engine swaps

Accepts Standard Flange Carburetors

0 - 73-87 C/K Pickup 6'6"

Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) turn14-in-stock 2018-2021 Subaru WRX STI H4-2Manufacturer Part # : 11823 8 Market Description Manley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million