Single Valve Spring Set. High performance ‘PACALOY’ valve spring set. ‘Drop-in’ using OEM retainers.
- 85lb seat pressure at 36.0mm install height. 165lbs at 11.0mm valve lift. Coil bind at 22.0mm
EJ20 | EJ25 Premium Valve Springs
EJ20 / EJ25. Premium Beehive Spring with Titanium Retainers.
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.
In-house Kelford manufactured Titanium retainers machined on our brand new high precision CNC turning centers.
- 100lb seat pressure at 35.5mm installed height. 185lbs at 11.5mm valve lift. Coil bind is at 23.00mm. 12.00mm maximum lift.
Subaru EJ20/EJ25 Valve Springs
Subaru WRX EJ20 / EJ25 Engine
High performance ‘PACALOY’ valve spring and Titanium retainer kit.
- 85lb seat pressure at 35.6mm installed height. 180lb at 12.0mm valve lift. Coil bind at 22.0mm.