The WIX air oil separator measures 12-7/8" x 11-13/16" OD, designed to enhance engine performance by effectively separating air and oil. This high-efficiency filtration system aids in reducing emissions and pollution. It contributes to prolonging engine life by preventing oil contamination buildup. Additionally, the air oil separator minimizes maintenance needs through its filtration capabilities and prevents oil leaks and system failures by providing reliable sealing. With these features, the WIX air oil separator is an integral component in maintaining and optimizing engine function.