Manley Extreme Duty 33mm Exhaust Valve Set - Subaru WRX/STI
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Manley Extreme Duty 33mm Exhaust Valve Set WRX / STI (8) . Manley valves are made from an ExtremeAlloy XH-426 Stainless. The valves feature swirl polishing, are fully machined with chrome stems and hard tips.
Type: exhaust
Head Diameter: 33mm
Stem Diameter: 5.96mm/.2345"
Installed Height: Stock
Overall Length: 104.75mm
Tip Length: 3.5mm
Underhead Angle/Radius 25° x 11/32"
Margin .060
Seat Width .100
Top Of Head 20° Dish
Type: exhaust
Head Diameter: 33mm
Stem Diameter: 5.96mm/.2345"
Installed Height: Stock
Overall Length: 104.75mm
Tip Length: 3.5mm
Underhead Angle/Radius 25° x 11/32"
Margin .060
Seat Width .100
Top Of Head 20° Dish