Description: 【Applicable Models】Designed for outboard engines, compatible with 2 stroke 9.9 15HP and 4 stroke 8 20HP models, ensuring a precisly fit and reliable performance 【Easy installation】Thanks to its straightforward structure; saves time and effort for both professionals and DIY users. length 28.3cm/11.14inch, outer diameter 2.3cm/0.91inch, inner diameter 1.65cm/0.65inch 【Material】Manufactured from high strength metal for good durability, wear resistance, and deformation protection—built to withstand harsh marine environments 【Replace Part 】Ideal replace part when your components are worn or damaged; restores smooth operating and efficiency to your outboard engine 【Package includes】Package includes a bracket and 2 bolts, providing everything needed for a replacement or upgrade Size Chart: length:28.3cm/11.14inch, outer diameter:2.3cm/0.91inch, inner diameter:1.65cm/0.65inch Package Includes: 1 bracket, 2 bolts Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.