Uprated competition specification valve spring set for the Toyota 4EFTE engine .
The stock valve spring is far too soft for high boost turbo applications and high revving applications.
Spring ID : 18.2mm
Spring OD :25.4mm
Length Free :42.3mm
Seat pressure at 31.4mm installed height : 95lbs
Coil bind :21 mm
16 new valve springs supplied
We also recommend upgrading to our higher spec retainers to suit this valve spring. See our other listings