Town Car V8-4.6L VIN W (1997)
Valve Spring: Mechanical Specifications
NOTE: Specifications are for intake and exhaust unless noted.
Free Length, Approximate ........................................................................................................................................................... 50.20 mm (1.9764 inch)
Out of Square, Maximum ............................................................................................................................................................................................ 2.5°
* Installed Height .............................................................................................................................................................................. 40.0 mm (1.5748 inch)
* Measure the assembled height of the valve spring from the top of the spring seat to the underside of the valve spring retainer.
