Supertech Single Valve Spring and Titanium Retainer Kit for Audi A3 2.0L 16v EA113 Turbocharged Engines

Supertech Single Valve Spring and Titanium Retainer Kit for Audi A3 2.0L 16v EA113 Turbocharged EnginesSet of 16 Single Valve Springs & 16 Titanium RetainersSPRK-A2416-N2Type: Single SpringOuter Spring: OD 24.00mm - ID 16.50mmInner Spring: NonePress.Seat Intake: 73lbs @ 38.60mmPress.Seat Exhaust: 85lbs @ 37.20mmMax Lift Intake: 12.50mmMax Lift Exhaust: 11.00mmCoil Bind: 24.90mmRate: 10.50mmRetainer: RET-A2416-N2Spring: SPR-A2416-N2Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. All Supertech valve springs are made with premium super clean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of our springs, giving your performance racing engine a serious co