Description
Ferrea Racing Valve Springs & Titanium Retainers
Fitment: All Audi RS3 (8V / 8Y) & TTRS (8S) DAZA / DNWA Engines
Upgrade your Turbocharged Audi 2.5L 5-Cylinder Engine with Ferrea Racing Valvetrain, Engineered for superior efficiency, and durability in turbocharged engines.
KT4042
Outside Diam: 22.38mm
Inside Diam: 15.52mm
Intake Seat Pressure: 80lbs @ 37mm
Exhaust Seat Pressure: 85lbs @ 36.5mm
Intake Open Pressure: 180lbs @ 27mm
Exhaust Open Pressure: 185lbs @ 26.5mm
Rate Inch: 245lbs
Coil Bind: 24.6mm
Max Net Lift Intake: 11mm
Max Net Lift Exhaust: 10.5mm
Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicone steel These springs are manufactured with state-of-the-art equipment. Our springs are heat-treated and stress-relieved, which dramatically increases the spring’s life. Strict quality control procedures and cycle testing ensures consistency from batch to batch. Ferrea valve springs provide teh stability needed for high lift, high rpm racing engines, while minimizing the load loss for today’s aggressive valvetrain combinations.
Ferrea Spring Seat Locators are precision CNC machined and in most applications, required for certain Ferrea Valve Springs. These locators are stronger than factory to withstand the higher stress involved with stronger springs and high revving engines.
Includes:
- (20) 2.5L Valve Springs
- (20) 2.5L Titanium Retainers
- (10) Intake Spring Seat Locators
- (10) Exhaust Spring Seat Locators
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