Overview Reviews Product Description Parker Industrial Hose ProductsGasoline and Vapor Emission Hose manufactured to meet SAE 30R7 specifications. Durable cover resists deterioration from oil, grease, heat and ozone and gives long service life. 4:1 Design factor Product Videos Custom Field Product Reviews Write a Review Write a Review × Parker Dayco Parker Dayco 39550 Sae 30R7 Fuel Line 1/4"Id Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *