Valve Spring

Valve spring free length intake mm (inch) 43.1 (1.7)
Valve spring free length exhaust mm (inch) 43.1 (1.7)
Valve spring squareness 1.5 deg
Valve spring compression pressure intake (at specified height) (lb) 275-305 Nm at 35.9-36.7 mm (202.84-224.968 ft. lbs. at 1.413-1.445 inch)
Valve spring compression pressure exhaust (at specified height) (lb) 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 intake mm (inch) 39.86-40.86 (1.569-1.601)
Valve spring installed height exhaust mm (inch) 39.86-40.69
Valve spring installed pressure 320 newtons