Valve Spring
DIMENSIONSFree Height
Standard value 50.9 mm (2.00 inch)
Limit 49.9 mm (1.96 inch)
Spring Load/Installed Height:
Intake 216 N / 44.2 mm (59 lbs. / 1.74 inch)
Exhaust 284 N / 39.6 mm (64 lbs. / 1.57 inch)
Spring Squareness:
Standard 2° or less
Limit 4°