This is a brake cover assembly for Husqvarna 136 137 141 142. It bolts directly onto your old/stock crankshaft and crankcase. It easily increases the power of your current saw. Easy installation, stable performance, high reliability.Features:100% brand new and high quality.This is a brake cover assembly for Husqvarna 136 137 141 142.It bolts directly onto your old/stock crankshaft and crankcase.It easily increases the power of your current saw.Easy installation, stable performance, high reliability.Specifications:Condition: 100% brand newColor: as shown in the pictureMaterial: metal and plasticBrake handle: approx. 13 * 4.7 cm / 5.1 * 1.9 inchesCover assembly size: approx. 15 * 10 cm / 5.9 * 3.9 inchesProduct weight: approx. 500 gramsPackage includes:1 x brake cover assembly