Part number SPRK-TC25D Supertech valve spring kit Toyota - 1.6 16V (4AGE)
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Spring data:
Outer spring outer diameter: 25.00mm
Outer spring inner diameter: 18.00mm
Inner spring outer diameter: 18.00mm
Inner spring inner diameter: 13.00mm
Seat pressure: 73Lbs@35.40mm (seat), 202Lbs@10.5mm (open/lift)
Spring coil bind: 21.00mm/17.00mm
Max lift: 14.40mm
Rate: 12.60Lbs/mm
Set includes:
16 titanium retainers (RET-2500/T1) 16 valve seats (SS-3012)
16 valve seals (VS-T6SM)