Material: Alumimun with CNC processing Piston: Diameter 14mm. length 23mm Package: 1 pcs * Pump ; 1 set * extra extension parts; 1 set * M12 Banjo Bolts Working Length: It will have 3 working length as like below list: 1. When the piston is fully pushed to the right. The measured size of the product is about 130mm. 2. When the piston is fully pushed to the left. The measured size of the product is about 153mm. 3. When the piston is fully pushed to the left and the extension rod is added. The measured size of the product is about 180mm. Note before your using it:Pump under the head of the anchor head is silking, can a wide range of length ofthe distance, adjust position according to the model, using thread tighten glue,prevent loose change position. Some vehicles anchor head is U plate (Suzukiking GS125 machine, for example), as long as take U plate, installs to the pumphead end Fixed long screw pump under as m10x1.25 standard, and the adjustable range is long,suitable for most models modified line of clutch and brake line, but some models(such as Suzuki king GS125 machine) of the original car pull head fixed positionis silking, need to use 8.2 mm drill bit, removing silking to install Installation method 1 First will fill the brake oil pump under lie flat, do not have air, silk mouth is verybig, can be seen there was a bubble 2 See above screw, tubing with good twist screws, do not tighten, request screwside holes can be exposed 3 This is the key, be sure to look good. Link on the pump and tubing, and highup, the oil pump oil cup, and then pressure several times at random (10) handle,OK now just waiting for (dont allow any action) 5-10 minutes later, in the aboveside didnt tighten the screw hole will see the brake oil flow out, then lock screw,exhaust 4 Hydraulic clutch exhaust complete inspection methods: push the pump underthe wire to the pump body en croute, hand pinch on the pump handle, handle tipto move about 3 cm, knead not bottom go to, is correct. (press the handle untilthe pressure not bottom go to, there are about 3 cm distance handlebar, itfinished the exhaust, but loading debugging), loading, must pull wire all out, againunder the fixed pump, (make sure to loosen the clutch handle, wire all stretchedout) Please note that you may find oil at product or package when you open the package as like below photo. The reason is that, before each product shipping out, we will do bleeding DOT oil for seal testing to keep 100% no problem for customer.1.Delivery Time is referred as below:Country Approx.