Valve Spring

Free Length (Approx.) Intake & Exhaust 45.63 mm (1.7965 inch)
Spring Force (Valve Closed)
Intake & Exhaust 249 - 284 N @ 38.0 mm (56.0 - 64.0 lbs. @ 1.4961 inch)
Spring Force (Valve Open)
Intake 658 - 721 N @ 29.0 mm (147.9 - 162.1 lbs. @ 1.1417 inch)
Spring Force (Valve Open)
Exhaust 614 - 671 N @ 30.0 mm (138.0 - 150.8 lbs. @ 1.1811 inch)
Number of Coils-Intake & Exhaust 7.35
Color of Spring (Side of Coils) No Color Code
Wire Diameter Intake & Exhaust 3.861 mm (0.1520 inch)
Installed Height (Spring Seat to Bottom of Retainer)
Intake & Exhaust 38.0 mm (1.4961 inch)