Shields Silverado 4000 Fuel Line (Series No. 337) - Type B1

• Utilizing a complex construction technique involving a THV500 barrier layer, a Nitrile jacket, polyester reinforcement and a CPE cover.
• Has a small OD, is extremely flexible and easy to clamp.
• Resistant to ethanol blended fuels.
• This hose is EPA and CARB compliant.
• The gray color keeps hose cooler and help prevent vapor lock.
• For above deck primer bulb applications and is not fire retardant.