Red -4 AN Straight [Hard Line AN Tube Sleeve] Oil/Fuel AN Fitting Adapter HTSER90-100-125-BLUE OD: 3-1/8" (80mm)

OD: 3-1/8" (80mm)

HPS 2-3/4" (70mm) x 3 Feet Long High Temp 4-ply Reinforced Blue Silicone Tube Coupler Hose meet and exceeds SAEJ20 industry standards

and more stable electrical current

this HPS silicon radiator and heater hose kit can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving

HPS 3-1/8" (80mm)

Red -4 AN Straight [Hard Line AN Tube Sleeve] Oil/Fuel AN Fitting Adapter HTSER90-100-125-BLUE OD: 3-1/8" (80mm)The AN thread is a type of fitting that is used to connect flexible hoses and rigid metal tubing that supplies fluid. It gained popularity in professional racing due to the ease with which new lines could be easily customized. Its use spread to the aftermarket automotive performance field due to its ease of adaptability, upgradability, and durability.