Valve Spring

NOTE: Specifications are for intake and exhaust unless noted.

Free Length, Approximate 42.16 mm (1.6598 inch)
Out of Square, Maximum 2°
* Installed Height 35.89-36.49 mm (1.4130-1.4366 inch)

* Measure the assembled height of the valve spring from the top of the spring seat to the underside of the valve spring retainer.