WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL CHART
Compressor, Valve Spring 303-452 (T93P-6565-AR)
Compressor, Valve Spring 303-581 (T97T-6565-A)
Spacer, Valve Spring Compressor 303-382 (T91P-6565-AH)