Valve Spring
DIMENSIONSFree Height
Intake:
Standard 46.1 mm (1.815 inch)
Limit 45.6 mm (1.795 inch)
Exhaust:
Standard 46.8 mm (1.843 inch)
Limit 46.3 mm (1.823 inch)
Spring Load/Installed Height:
Intake 226 N / 40.0 mm (51 lbs. / 1.57 inch)
Exhaust 284 N /39.6 mm (64 lbs. /1.56 inch)
Spring Squareness:
Standard 2° or less
Limit 4°