F 250 2WD Pickup V8-351 5.8L VIN H 4-bbl HP (1985)
Valve Spring: Specifications
Free Length Intake
2.04 in
Free Length Exhaust
1.85 in
Out Of Square Limit
0.078 in
Installed Height Intake
1.765-1.797 in
Installed Height Exhaust
1.578-1.609 in
Spring Pressure, Closed, Intake
74-82 lbf at 1.78 in
Spring Pressure, Closed, Exhaust 76-84 lbf at 1.60 in
Spring Pressure, Open, Intake
190-210 lbf at 1.36 in
Spring Pressure, Open, Exhaust
190-210 lbf at 1.20 in
