Yamaha YFM 660 F Grizzly 4x4 Piston Kit - Vertex Pistons - Cast Replica - 02-08. A direct replacement piston kit for Yamaha YFM 660F Grizzly 4x4 models from 2002-2008, supplied complete for an engine refresh or rebuild.

This Vertex cast replica piston kit provides exact-fit A, B or C pistons to match your cylinder bore precisely, helping reduce blow-by and oil consumption. Each kit includes piston, rings, wrist pin and circlips required for installation. Skirts are coated with molybdenum disulphide (MoS2) to promote faster break-in and increased piston life. Pistons undergo a T-5 hardening and tempering heat treatment to meet Vertex production standards.

Features

• Fits Yamaha YFM 660F Grizzly 4x4 (2002-2008)
• Cast replica Vertex piston with T-5 heat treatment
• MoS2-coated skirts for faster break-in and longer skirt life
• Includes piston, rings, wrist pin and circlips
• Available in A, B or C sizes to match your bore

If you have questions or need assistance selecting the correct size, call us directly at 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services on premises. If you're thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov