Diavel V4 2023 +. Evotech Performance oil cooler guards attach to your bike’s existing mounting points. No modifications are required to your motorcycle. Hexagonal hole pattern to optimise airflow whilst providing maximum protection from road debris. CNC machined from aircraft quality aluminium. Powder coated black for longevity. All required fittings are supplied with the kit. Easy to follow pictorial instructions are available for download on Evotech Website.