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Manley Performance Extreme Duty Stainless Steel Exhaust Valves +1mm Oversized - 02-14 WRX / 04-18 STI

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

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