[ Application ] --- Compatible with for Ford vehicles with 4. 6L, 2-Valve, V8 engines; 4. 6 4V, 5. 4 V8 and 6. 8 V10. [ Material ] --- This Valve Spring Compressor tool is constructed with metal with a rust- and corrosion-resistant Manganese Phosphate coating. [ Design ] --- The valve spring compression tool is designed to be used with 3/8-inch breaker bar or ratchet services camshafts, valve seals, valve springs, and retainers easily, Works with engine removed or installed, cylinder head on or off [ Efficient ] --- This valve spring compressor tool compresses the valve without removing the cylinder head; Arm compressor makes it qulick and easy for removing and replacing valve springs, roller followers, rocker arms, and lash adjusters [ Note ] --- NOT compatible with for Triton 5. 4 3V or any other 3V or 4V engine Colour:black Material:Metal Package Contents: 1x Valve Spring Compressor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.