Dragon Stone Exhaust Flange Nut Driver S3-Cat-Communications All of the "S4F" pistons

All of the "S4F" pistons have been reduced to clear

The Hydroback technology is a result of the collaboration between Spidi and Moto GP riders

Racing style with relevant safety

it allows the rider to move freely

Dragon Stone Exhaust Flange Nut Driver S3-Cat-Communications All of the "S4F" pistonsPurpose designed exhaust flange nut driver for Ducati bevel drive twins and singles. The specially shaped multi tooth profile helps engage the exhaust nut evenly, minimising the risk of scratches, marks or damage during servicing. A far better solution than using punches, drifts or universal tools on these often delicate and expensive original nuts.