Upgrade Kit, Hot End Insulation for Makerbot Replicator 1 Dual-extruder-reprap

This is a new upgrade kit for the hot end insulation on Makerbot Replicator 1 dual or similar models. / Have you been experiencing inconsistent printings since you broke those ceramic insulations around the hot end? / Those are essential parts that are being ignored and the absence of them is the root of many extrusion problems such as: 1- Inconsistent extrusions due to temperature fluctuation inside the hot end 2- Clicking noise in the extruder (and extruder jam) because the heat is being reflected to the cooling block from the exposed aluminum (one of the reasons why PLA prints fail not immediately but after few minutes). 3- Clicking noise in the extruder (and extruder jam) because the temperature reported to the main board is lower than the actual temperature. 4- Plastic drips of molten plastic contaminations from the past failures and loading/unloading scripts. And more...! / You are buying a replacement/ Upgrade kit for insulating Makerbot Replicator 1's hot ends as shown in the image. These are pictures of the actual item you will get (it does not include the nozzle, heat break barrel, thermocouple, heat block, and heat cartridge). This kit includes everything needed to replace the original brittle ceramic insulations on your Makerbot Replicator 1 dual with a Heat resistant molded silicon part that tolerates up to 294 degrees C (561 F). This product is not assembled. Color may vary. This kit includes: *One molded, heat resistant silicon covers. *One pice ceramic insulation strip *6" kapton tape