Services › Auto Services - Engine Bay Degreasing w/ Heavy-Duty Quick-Connect Nozzle Auto Services - Engine Bay Degreasing w/ Heavy-Duty Quick-Connect Nozzle $90.00 Precision engine degreasing with Optima XD and Heavy-Duty Quick-Connect Nozzle, eco-friendly solution. Quantity: Add To Cart Added! Precision engine degreasing with Optima XD and Heavy-Duty Quick-Connect Nozzle, eco-friendly solution.