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Home >> Pontiac >> 2004 >> GTO V8-5.7L VIN G >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
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Valve Spring

Valve Springs - Valve Spring Free Length 52.9 mm (2.08 inch)
Valve Springs - Valve Spring Installed Height 45.75 mm (1.8 inch)
Valve Springs - Valve Spring Load - Closed 340 N at 45.75 mm (76 lb at 1.8 inch)
Valve Springs - Valve Spring Load - Open 980 N at 33.55 mm (220 lb at 1.32 inch)
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