The Ferrea dual valve spring set for Toyota 3S-GE engines is supplied as a set of 16 for full-head service. These springs are specified for the 3S-GE valvetrain and provide a complete replacement set when rebuilding the cylinder head or installing valvetrain upgrades. The kit restores proper spring seating and consistent valve behavior across all cylinders.
Ferrea Toyota 3SGE Dual Valve Spring - Set of 16