Mustang Cobra V8-281 4.6L DOHC VIN V MFI (1997)
Valve Spring: Mechanical Specifications
NOTE: Specifications are for intake and exhaust unless noted.
Free Length, Approximate ........................................................................................................................................................... 42.16 mm (1.6598 inch)
Out of Square, Maximum ............................................................................................................................................................................................... 2°
* Installed Height ..................................................................................................................................................... 35.89-36.49 mm (1.4130-1.4366 inch)
* Measure the assembled height of the valve spring from the top of the spring seat to the underside of the valve spring retainer.