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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
100% Reliability
rigid design may increase spline wear Quality Carefully engineered
The Delta Force Air Filters are serviceable with our new Delta Force cleaning kits which will help outlast your vehicle
coolant/water temperature
Ferrea VQDE & VQHR Dual Coil Valve Springs 100% ReliabilityFerrea VQDE & VQHR Dual Coil Valve Springs Outside Diameter: 20. 8mm Inside Diameter: 15. 88mm Seat Pressure: 80lbs @ 34 mm Open Pressure: 200lbs @ 24. 8mm Spring Rate: 305lbs inch Coil Bind: 19mm Max Net Lift: 13mm Harmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled. Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce
