Ferrea Dual Valve Spring 75lbs - 02-05 WRX EJ20 - Set of 16 - S10071 83mm Direct fit for the 2002–2005
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Ferrea Dual Valve Spring 75lbs - 02-05 WRX EJ20 - Set of 16 - S10071 83mm Direct fit for the 2002–2005The design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads. Type Material Application: Dual Spring Special Alloy Turbo Drag Racing Outside Diameter: 20. 8 mm 28 mm Inside Diameter: 15. 88 mm 20. 8 mm Seat Pressure: 75 lbs
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