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Coupon Code Boost5 at checkout

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Financing available for as low as 0%.

We're open and shipping!

Coupon Code Boost5 at checkout

Due to an increase in sales volume and demand, please allow some extra time for items to ship and please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

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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