Ranger 4WD V6-245 4.0L VIN X SFI (1999)
Valve Spring: Specifications
Spring Free Length
Intake
1.91 in
Exhaust 1.91 in
Spring Assembled Height
Intake
1.578-1.609 in
Exhaust 1.578-1.609 in
Spring Out Of Square
0.078 in
Spring Compression Pressure At Specified Height
Intake
256-282 lbf at 1.56-1.59 in