Valve Spring: Specifications

GENERAL SPECIFICATIONS
Valve Springs Compression Pressure (N @ Spec. Length)
Intake 680 N @ 30.19 mm (153 lbs @ 1.18 in)
Exhaust 680 N @ 30.19 mm (153 lbs @ 1.18 in)
Free Length (Approximate)
Intake 46.8 mm (1.84 in)
Exhaust 46.8 mm (1.84 in)
Installed Pressure (N @ Spec. Length)
Intake 228 N @ 39.99 mm (51 lbs @ 1.57 in)
Exhaust 228 N @ 39.99 mm (51 lbs @ 1.57 in)
Service Limit 10% Pressure Loss @ 30.09
Out of Square Limit 1%