Valve Spring

Valve spring free length (approx.) 52.70 � 3.8 mm (2.075 0.150 inch)
Valve spring squareness (max.) 1.981 mm (0.078 inch)
Valve spring compression pressure 32-35 kg @6 46.55 mm (71-79 lbs @ 1.833 inch) 102-112 k(, @ 34.35 mm (225-249 lbs. @0 1.352 inch)
Valve spring installed height - intake 44.881 mm (1.767 inch)
Valve spring installed height - exhaust 46.558 mm (1.833 inch)
Valve spring installed pressure