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Supertech

Supertech Valvetrain Package for Audi 2.5L DAZA/DNWA 5 Cylinder Engine

Supertech Valvetrain Package for Audi 2.5L DAZA/DNWA 5 Cylinder Engine

Regular price $1,252.51 USD
Regular price Sale price $1,252.51 USD
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Supertech Valvetrain Package

Includes:
Supertech Valve Spring Kit
10x Supertech Stock Size Intake Valves
10x Supertech Stock Size Exhaust Valves

Spring Kit:
Supertech spring & retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech spring & retainer kits are second to none in terms of performance, quality and value.

Seat Pressure: I 73 @ 37.40 ; E 85 @ 36 
Open Pressure: I 178 @ 10 ; E 190 @10 
Max Net Lift: 11mm Exhaust, 12.5mm Intake
Coil Bind: 24mm

Intake Valves:
Supertech intake valves are made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application.

Exhaust Valves:
Supertech Inconel exhaust valves are engineered for extreme heat and sustained duty cycles. With high-temperature strength, excellent oxidation resistance, and precise seat geometry, they deliver reliable sealing and durability for turbocharged, supercharged, and endurance racing applications.

Valve seals available here: https://stcharlesgarage.com/products/daza-dnwa-valve-seal-set

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