Key Features Size: AN-4.;Installs onto female AN straight thread bosses to create a tight and leak-free seal.;Includes oil and chemical resistant Viton o-ring.;6061 aluminum with Type II black anodizing for excellent corrosion resistance.;Compatible with fuel, oil, coolant, alcohol, nitrous, and hydraulic fluid. Size: AN-4. Installs onto female AN straight thread bosses to create a tight and leak-free seal. Includes oil and chemical resistant Viton o-ring. 6061 aluminum with Type II black anodizing for excellent corrosion resistance. Compatible with fuel, oil, coolant, alcohol, nitrous, and hydraulic fluid.
