Verus Engineering AOS Drain Back Kit - 2015-2021 Subaru WRX PDM_pilot-and-throw-out-bearings Very durable construction

Very durable construction

rather than traditional LEDs

Improve heat rejection over the OEM unit at high rates of speed

The reduction in supercharger speed

Two (2) waterproof drivers

Verus Engineering AOS Drain Back Kit - 2015-2021 Subaru WRX PDM_pilot-and-throw-out-bearings Very durable constructionThe optional AOS Drain Kit allows for hassle free, long term use of the AOS without the need for draining or maintenance. It provides an effortless solution for those who prefer a hands off approach. The AOS functions like a standard drain style unit by default. Verus Engineering AOS Drain Back Kit SPECS: Automatically Drains Oil Caught in the AOS Back into the Engine Maintenance Free Oil Separation CNC Machined Aluminum and Anodized Fittings 1 2"