Valve Spring

FREE LENGTH:

Intake:
Outer 41.05 mm (1.616 inch)
Inner:
Nihon Hatsujo Manufacturer 36.16 mm (1.424 inch)
Chuo Hatsujo Manufacturer 36.19 mm (1.425 inch)

Exhaust:
Nihon Hatsujo Manufacturer 41.96 mm (1.652 inch)
Chuo Hatsujo Manufacturer 41.94 mm (1.651 inch)