Kelford Cams SUBARU WRX SINGLE SPRING KIT - KVS109-STI

85lb seat pressure at 36.0mm. 165lbs at 11.0mm valve lift.

SUBARU EJ20 / EJ25. 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.