Valve Spring
NOTE: Specifications are for intake and exhaust unless noted.Free Length, Approximate 44.1 mm (1.74 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.