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Valve Spring

Valve Springs Free Length 1.91 Inch (in)
Valve Springs Load (Closed) 81.2-72.8 Pound-Force (lbf)
1.600 inch
Valve Springs Load (Open) 215-201 Pound-Force (lbf)
1.175 inch
Load @ 26.98 mm (1.0622 inch), Open 122-133 Pound-Force (lbf)
Valve Spring Pressure Load @ 36.5 mm (1.4370)1 Closed 50-55 Pound-Force (lbf)