Feature: 1. OE Number: The referencing OE number of this carb intake manifold boot is 16065‑028, which is molded and designed depend on the original data. 2. Fitment: The carb intake manifold joint is a replacement for Z1 Kz900 Kz1000A Kz1000B Kz1000D, please check the model of your motorcycle before ordering. 3. Function: The intake manifold can solve the problems of high idle speed, weak acceleration, and easy stall when accelerating, providing a better driving experience. 4. Premium Material: The carb air intake manifold is made of high strenght rubber and metal material, which is airtight, leakage proof, wear resistant and durable. 5. Easy to Install: Stringently manufactured to meet the original standard, good replacement for the old or broken one, improving the time efficiency. Specification: Item Type: Carburetor Intake Manifold BootsOE Number: 16065‑028 .Material: Rubber, metalFitment:Fits for z1 1973-1975Fits for kz900 1975-1977 Fits for kz1000A 1977-1980 Fits for kz1000B 1977-1980 Fits for kz1000D z1-R 1978-1980Fits for kz1000C police 1978-1981Fits for kz1000E shaft 1979-1980 Package List: 4 x Carb Air Intake Manifold4 x Hoop Note: Please double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!