Dimension & Clearance Specifications - Valve Springs

Free Length 49.78 mm (1.960 inch)
Load-Closed 334 N @ 43.69 mm (75 lb. @ 1.72 inch)
Load-Open 1014 N @ 32.4 mm (228 lb. @ 1.277 inch)
Installed Height 42.93 - 44.45 mm (1.690 - 1.720 inch)
Approximate Number of Active Coils 4.48
Approximate Number of Total Coils 6.60