Valve Springs

Free Length
Standard
Intake 1.815 inches
Exhaust 1.687 inches
Minimum
Intake
Inner 1.535 inches
Outer 1.535 inches
Exhaust
Inner 1.496 inches
Outer 1.496 inches

Out Of Square Limit
Intake
Inner 0.063 inches
Outer 0.063 inches
Exhaust
Inner 0.059 inches
Outer 0.059 inches