These are necessary for lubricating valves during engine assembly Silicone carbide valve compound #80 and #180 can and 2 taco sticks large and small!! Overall, it can be used with choinoli, cub engines, Ferrari and Lamborghini. The 4-valve 12-cylinder cylinder is constantly hands... It is not a lot for personal DIY purposes, but if you buy it for a DIY engine, you can use it for a lifetime. The design of the Kankan is now cool. The suction cup on the octopus stick will deteriorate, but even beginners can use it and buy it after buying it, and you are a super veteran that you never know where you got to go. Buy the one you need!! Valve Compound Specifications: Count: 80/180; Product Weight: 4.6 oz (130 g); Product Size: 3.7 x 2.2 inches (95 x 55 mm); Octopus Rod: 8.9 inches (225 mm); Umbrella Diameter: 1.2 inches (30/36 mm); Small Length: 8.1 inches (20/15 mm).