Description
Kelford Extreme Toyota GR Yaris Spring
Yaris G16E-GTS Extreme beehive valve spring and titanium retainer kit.
Remove OEM base and fit supplied base.
Intake: 125lb seat pressure at 35.0mm installed height. 258lb at 12.0mm valve lift.
Exhaust: 110lb seat pressure at 36.7mm installed height. 232lb at 11.5mm valve lift.
Spring coil bind height (solid height) 22.0mm.
