Aviator 2WD V8-4.6L DOHC (2003)
Valve Spring: Mechanical Specifications
Valve Spring free length (approx) ..................................................................................................................................................... 45.5 mm (1.6598 inch)
Valve spring squareness .......................................................................................................................................................................................... 2 degrees
Valve spring installed height ........................................................................................................................................................... 36.14 mm (1.4228 inch)
