Specifications Name: Rear Block Breather Fitting Adapter Color: Black Material:Aluminum Size:38mm*54mm/1.5”*2.13” Package Includes 1PCS Rear Block Breather Fitting Adapter Applicable Fit For Honda Civic and Acura Integra B Series B16A2 B17 B18C B16B B18C5 B18C1 B20B B20V Features l Made of high quality lightweight T6061 Aluminum l Double o-ring great for seal, help you prevent leak or plug form coming loose l Design for oil catch can line setup l Comes with the mount bracket l NO bolt comes with this item, you can re-use your OEM one Warm tips 1.The dimensions are all manually measured and there may be some errors. Due to different lighting, there is a slight color difference.Please do not purchase if you mind 2.If you has any problem, please feel free to contact us.please let us know before you send us the neutral/negative feedback that wont help to finish the issues. And I will definitely try my best to provide the best solutions which would meet your satisfactory.