the West marine has a very good assortment of USCG Type A1 and B1 fuel hose... The gray looking hose they have strictly says it is for use for OUTBOARDS. The dual wall rubber hose is listed for inboards... as far as I can tell, all the boxes read that they are comatible with ethanol fuels...
Premium fire-retardant marine fuel hose with high-nitrile tube handles alcohol-enhanced gasolines. USCG- and NMMA-approved for use with gasoline and diesel. Reinforced with two layers of high-strength synthetic fabric. Superior kink resistance and durability. Sold by the foot.
Select TYPE 1 Low Permeation Feed/Vent Hose or TYPE 2 Vent/Fill Hose.
Fuel Type: Gasoline or diesel
Rating: Feed/vent or vent/fill hose
Approvals: SAE J1527 Type A1 & A2
Construction: Reinforced hose w/ two layers of high strength fabric
Burst Strength: See model description
Temperature Range: –5° to 180°
Maximum Continuous Length: See each model description for maximum available length
here is the grey hose:
Silverado 3000 Outboard Fuel Line is resistant to Ethanol blend fuels and is CARB-compliant for small engine use. This EPA-compliant outboard fuel line has a thermoplastic construction that resists UV and the barrier layer prevents permeation. The gray color of the hose helps prevent vapor lock. This hose is primarily used for above-deck primer bulb assemblies.
Sold by the foot, or 10' length.
Application: Fuel feed outboard
Flexibility: Can be bent into gradual radius
Warranty: Lifetime against defects
*This is the maximum continuous length available