S3 complete top-end rebuild kit with Vertex piston.

High quality kit from the hard enduro specialists from Spain. This comprehensive kit contains everything needed for a proper top-end rebuild.

Vertex piston kit:

• cast premium quality piston (Vertex), with 18% silicone content
• with Molybdenum Disulfide (MOS2) coating for increased lubricity and ease of break-in
• with nitride coated steel rings
• lightweight and durable
• limits vibrations
• offers a faster revving engine.

S3 gasket kit:

• cylinder base gaskets (0.15 and 0.30 and 0.50mm thickness)
• inner and outer cylinderhead o-rings
• right and left power valve gaskets
• exhaust flange gasket
• exhaust o-rings (silicone)
• etc.

This fits:

• the 2018-2021 Beta RR 300
• the 2018-2021 Beta XTRAINER 300.

Complete as pictured.