Valve Springs

Free Length
Intake
Inner [01]
Outer [02]
Exhaust
Inner [03]
Outer [04]

[01] -- Chuo Hatsujo, 1.645 inches; Nihon Hatsujo, 1.644 inches.
[02] -- Chuo Hatsujo, 1.778 inches; Nihon Hatsujo, 1.802 inches.
[03] -- Chuo Hatsujo, 1.548 inches; Nihon Hatsujo, 1.546 inches.
[04] -- Chuo Hatsujo, 1.839 inches; Nihon Hatsujo, 1.840 inches.