Valve Spring

Valve spring compression pressure-intake 633.3-701.3N @ 28.02 mm (1.103146 inch)
Valve spring compression pressure-exhaust 633.3-701.3N @ 28.02 mm (1.103146 inch)
Valve spring free length-intake 50.2 mm (1.976372 inch)
Valve spring free length-exhaust 50.2 mm (1.976372 inch)
Valve spring installed pressure-intake 272.1 -306.1 N (at 40.0 mm (1.574803 inch)
Valve spring installed pressure-exhaust 272.1 -306.1 N (at 40.0 mm (1.574803 inch)
Valve spring installed pressure service limit-intake 274.6N @ 40.01 mm (1.575192 inch)
Valve spring installed pressure service limit-exhaust 274.6N @ 40-01 mm (1.575192 inch)
Valve spring out-of-square limit-intake 2.5 degrees
Valve spring out-of-square limit-exhaust 2.5 degrees