SaferCCTV(TM)Aftermarket Piston and Cylinder Kit (Cylinder + Piston + Pin + Rings + 2 Circlips) for Stihl TS400 TS 400 Concrete Saw (49mm) 1. We do offer a 60-days money-back guarantee on all orders to allow you to test the product 2. Fits Stihl model: TS400 3. Package include: 1pcs x Piston and Cylinder Kit as picture 4. Professional after- sales service 5. This is non original aftermarket parts, please check the pictures for compatibility before buy it .