In brief
SUBARU EJ20 / EJ25. Premium quality Beehive spring & retainer set. \n \n Ovate wire 'PACALOY' Beehive spring wound in USA by PAC. Nano-peen and gold nitride surface finishing treatments for superior endurance. High spring frequency to allow for better spring surge control at high rpm. Increased seat pressure, low open...
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SUBARU EJ20 / EJ25. Premium quality Beehive spring & retainer set. \n \n Ovate wire 'PACALOY' Beehive spring wound in USA by PAC. Nano-peen and gold nitride surface finishing treatments for superior endurance. High spring frequency to allow for better spring surge control at high rpm. Increased seat pressure, low open pressure design. Designed specifically for the Subaru EJ flat four boxer engine. \n \n In-house Kelford manufactured Titanium retainers machined on our brand new high precision CNC turning centers. \n \n 100lb seat pressure at 35.5mm installed height. 185lbs at 11.5mm valve lift. Coil bind is at 23.00mm. 12.00mm maximum lift.
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