Blue -10 AN 45 Degree [AN Female to Male Flare Bulkhead] Oil/Fuel AN Fitting Adapter HTHH-032-REDx50 or high-performance racing applications where

or high-performance racing applications where excessive blow-by (leakage past the piston rings) of air and fuel vapor occurs

Hose Outside Diameter: 35/64" (14mm)

Effective Diameter Range: 1-9/16" - 2-1/2" (40mm-64mm)

this HPS silicon radiator 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

Blue -10 AN 45 Degree [AN Female to Male Flare Bulkhead] Oil/Fuel AN Fitting Adapter HTHH-032-REDx50 or high-performance racing applications whereThe 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.