Kawasaki JT1200 STX-12F Top End Gasket Kit - Vertex Pistons - 03-07. A complete top-end gasket and piston kit engineered to replace the seals, o-rings and gaskets needed when refreshing the top end on 2003–2007 JT1200 / STX-12F models.

This kit contains every gasket, o-ring and seal required to rebuild the top end of multi-cylinder machines, plus Vertex pistons sized for the specified model years. It’s designed for builders and enthusiasts who want a reliable, OEM-compatible set of components when performing a tear-down and reassembly. Note: the kit does not include the formed rubber valve cover gasket.

Features

• Complete top-end gasket set for JT1200 / STX-12F (03–07)
• Includes Vertex pistons sized for the application
• All necessary seals, o-rings and gaskets to rebuild each cylinder
• Suitable for multi-cylinder rebuilds; components provided per cylinder

If you have questions about fitment, piston sizes, or installation, call us directly. We have two service locations offering installation and customization: Austin, Texas and the Los Angeles, California area. Call: 512-982-9393 (TX) or 562-981-6800 (CA).

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