The S3 Exhaust Valve Controller will make you discover & enjoy your engine by controlling your exhaust valve easily & with your own h&. Its operation is totally intuitive & suitable for any type of rider, situation & terrain. You will notice a VERY LARGE change in engine response on the spot, being able to vary it in seconds even with the engine running without tools. 100% safe thanks to the reinforced protection in the lower part. * Control & play with the exhaust valve settings without tools * Modify the engine behavior according to the conditions & to your wishes * Easy, quick & safe access from the outside with your h&, without stopping the engine
Includes: an O-ring, ready to be used The development of this product respects the philosophy of the S3 product that seeks to offer the driver more quality, design, practical value without forgetting its Racing spirit. Article: S3 Exhaust Valve Controller
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The S3 Exhaust Valve Controller will make you discover & enjoy your engine by controlling your exhaust valve easily & with your own h&. Its operation is totally intuitive & suitable for any type of rider, situation & terrain. You will notice a VERY LARGE change in engine response on the spot, being able to vary it in seconds even with the engine running without tools. 100% safe thanks to the reinforced protection in the lower part. * Control & play with the exhaust valve settings without tools * Modify the engine behavior according to the conditions & to your wishes * Easy, quick & safe access from the outside with your h&, without stopping the engine
Includes: an O-ring, ready to be used The development of this product respects the philosophy of the S3 product that seeks to offer the driver more quality, design, practical value without forgetting its Racing spirit. Article: S3 Exhaust Valve Controller
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The S3 Exhaust Valve Controller will make you discover & enjoy your engine by controlling your exhaust valve easily & with your own h&. Its operation is totally intuitive & suitable for any type of rider, situation & terrain. You will notice a VERY LARGE change in engine response on the spot, being able to vary it in seconds even with the engine running without tools. 100% safe thanks to the reinforced protection in the lower part. * Control & play with the exhaust valve settings without tools * Modify the engine behavior according to the conditions & to your wishes * Easy, quick & safe access from the outside with your h&, without stopping the engine
Includes: an O-ring, ready to be used The development of this product respects the philosophy of the S3 product that seeks to offer the driver more quality, design, practical value without forgetting its Racing spirit. Article: S3 Exhaust Valve Controller
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A kit developed for the Enduro Extreme piloting, where the power control is a must.   * More traction * Soft Bottom * Very easy to ride * Made for extreme enduro riders In addition, the S3 cylinder head design provides:      * Temperature reduction * Less weight * Spectacular look
Includes:: Extreme insert, cylinder head & toric set Article: S3 Extreme Enduro Cylinder Head & Insert Kit Low Compression
- Red Beta RR250 Article: S3 Extreme Enduro Cylinder Head & Insert Kit Low Compression
- Red Beta RR250, red


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S3 is the specialist in Trial & Enduro parts. Innovation & high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology & equip the best riders & trial teams.   * Piston S3 Racing long life * Forged or casted in high quality Aluminium-silicium * Very light & resistant * Reduce vibrations * Engine revs build faster * Supplied with nitrurated steel rings * MOS2 piston coating. Article: S3 Forged Piston Ø75, 97mm Standard Compression TRS One 280 Article: S3 Forged Piston Ø75, 97mm Standard Compression TRS One 280 ...

S3 is the specialist in Trial & Enduro parts. Innovation & high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology & equip the best riders & trial teams.   * Piston S3 Racing long life * Forged or casted in high quality Aluminium-silicium * Very light & resistant * Reduce vibrations * Engine revs build faster * Supplied with nitrurated steel rings * MOS2 piston coating. Article: S3 Forged Piston Ø78, 97mm Standard Compression Jotagas JT300, Size 95 cm Article: S3 Forged Piston Ø78, 97mm Standard Compression Jotagas JT300, Size 95 cm, Size 95 cm ...

S3 is the specialist in Trial & Enduro parts. Innovation & high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology & equip the best riders & trial teams.   * Piston S3 Racing long life * Forged or casted in high quality Aluminium-silicium * Very light & resistant * Reduce vibrations * Engine revs build faster * Supplied with nitrurated steel rings * MOS2 piston coating. Article: S3 Forged Piston Ø78, 97mm Standard Compression Sherco TR305 Article: S3 Forged Piston Ø78, 97mm Standard Compression Sherco TR305 ...

S3 is the specialist in Trial & Enduro parts. Innovation & high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology & equip the best riders & trial teams.   * Piston S3 Racing long life * Forged or casted in high quality Aluminium-silicium * Very light & resistant * Reduce vibrations * Engine revs build faster * Supplied with nitrurated steel rings * MOS2 piston coating. Article: S3 Forged Piston Ø78, 97mm Standard Compression Vertigo Combat Vertical 300 Article: S3 Forged Piston Ø78, 97mm Standard Compression Vertigo Combat Vertical 300 ...

S3 is the specialist in Trial & Enduro parts. Innovation & high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology & equip the best riders & trial teams.   * Piston S3 Racing long life * Forged or casted in high quality Aluminium-silicium * Very light & resistant * Reduce vibrations * Engine revs build faster * Supplied with nitrurated steel rings * MOS2 piston coating. Article: S3 Forged Piston Ø79, 96mm Standard Compression TRS One 300 Article: S3 Forged Piston Ø79, 96mm Standard Compression TRS One 300 ...

Fork protectors Tech / Showa   * Very resitant, true protection, 1mm thickness * Direct fit, no glue or sticker needed * Available in Black carbon or Red or Blue * Logo s 3 silver in-mold * Premium Factory product Article: S3 Fork Protector Carbon/ Black Article: S3 Fork Protector Carbon/ Black, black ...