FIT - Vlave spring compressor tool fit for 4.8 5.3 5.7 6.0 6.2 LS1 LS3 LS6 LSX engine,compatible with for Trans am,G8,GTO;for ,,,,;for V;for ;for Trucks(Not Fits For GEN-V) Compressed and Removed Valve Springs Easily - Valve spring compressors are designed to facilitate valve spring quickly removal and compressed while the cylinder heads are still on the engine.Save your time.(Tips: Applying oil or grease to the tool protects the tool and makes the job smoother.) Air Valve Holding Hose Feature - This air tool hose kit works when replacing valve springs or valve stem seals, pressurizing the cylinder to help keep the valve closed with compressed air. parts can also be diagnosed by the sound and location of engine leaks during compression Easy to Use - Simply place the cylinder you are working on at top dead center, thread the tool into the hole, and fill the cylinder with compressed air.Be sure to maintain the air pressure within the cylinder while performing the spring change. Name:Spring Compressor Tool Type:Auto Parts Part Number: 67605 Colour:As Shown Material:Metal Package Contents: 1 Set x Spring Compressor Tool 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.