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Valve Spring: Specifications

Valve Spring
Free Length-Intake & Exhaust (Approx.) 45.63 mm (1.7965 in.)
Spring Force-Intake & Exhaust (Valve Closed) 249-284 N @ 38.0 mm (56.0-64.0 lbs. @ 1.4961 in.)
Spring Force-Intake (Valve Open) 658-721 N @ 29.0 mm (147.9-162.1 lbs. @ 1.1417 in.)
Spring Force-Exhaust (Valve Open) 614-671 N @ 30.0 mm (138.0-150.8 lbs. @ 1.1811 in.)
Number of Coils-Intake & Exhaust 7.35
Wire Diameter-Intake & Exhaust 3.861 mm (0.1520 in.)
Installed Height-Intake & Exhaust (Spring seat to bottom of retainer) 38.0 mm (1.4961 in.)
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