Valve Spring

NOTE: Specifications are for intake and exhaust unless noted.

Free Length, Limit
Intake 49.55 mm (1.9508 inch)
Exhaust 49.55 mm (1.9508 inch)
Out of Square, Maximum 2°
Installed Height [1] 40.0 mm (1.5748 inch)

[1] Measure the assembled height of the valve spring from the top of the spring seat to the underside of the valve spring retainer.