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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
2.5°
* Installed Height
40.0 mm (1.5748 inch)
* Measure the assembled height of the
valve spring from the top of the spring seat to the underside of the
valve spring retainer.