Part # 5L-5605 provides a piston spring assembly for the selector valve piston.Cat spring parts come in a variety of strengths and sizes to fit specific applications. Compression springs are helical designed springs for compression and tension whereby the spring gets compressed (shorter) as more weight is applied.Attributes:• 2 spring assembly• Spring Type: Compression• Outside Diameter: 26.2 mm (1.03 in)• Outer Spring Free Length: 97.3 mm (3.83 in)• Inner Spring Free Length: 92.7 mm (3.65 in)• Springs meet or exceed current standards and material gradesApplication:Consult your owner's manual or contact your local Cat Dealer for more information.