Valve Spring

Valve spring free length 43.1 mm (1.7 inch)
Valve spring squareness ± 1.5 degree
Valve spring compression pressure at specified height (lbs) 275-305 Nm at 35.9-36.7 mm (202.84-224.968 ft. lbs. at 1.413-1.445 inch)
Valve spring installed height 39.86-40.86 mm (1.569-1.601 inch)
Valve spring installed pressure 320 newtons