EVIL ENERGY fuel line hose kit 3/8" & 5/16" 10ft — NBR push-lock, SAE 30R7 300 PSI

This two-hose set gives you durable fuel lines ready for push-lock fittings in automotive and industrial systems. Constructed from oil-resistant NBR rubber reinforced with braided polyester, the hoses are rated to handle working pressures up to 300 psi and extreme temperatures from -40°F to 257°F. The kit is intended for fuel delivery, oil cooling, steam emission lines and other applications where SAE 30R7 compatibility is required.

What sizes and lengths are included, and how are they packaged?

You receive two separate 10-foot hoses: one 3/8" inner diameter and one 5/16" inner diameter, both supplied as push-lock ready lines. They arrive coiled and secured for easy storage and installation.

• Included: 1 × 10 ft, 3/8" ID fuel hose
• Included: 1 × 10 ft, 5/16" ID fuel hose
• Packaged coiled for transport and immediate use with push-lock fittings

Which fluids and environments are these hoses compatible with?

The hoses use NBR (nitrile butadiene rubber) inner tubes, which resist petroleum-based fluids and many lubricants. They are suitable for gasoline, diesel, biodiesel blends, oil, grease and similar media commonly used in fuel systems and oil cooling circuits.

• Compatible media: gasoline, diesel, biodiesel, oil, grease
• Not for use with strong acids, ketones, or chlorinated solvents without testing
• Meets SAE 30R7 requirements for typical fuel system service

How strong and temperature-resistant are these fuel lines?

Designed for demanding conditions, the hoses have a working pressure of 300 psi and a burst pressure of 1200 psi, plus a wide service temperature range. The braided polyester reinforcement adds tensile strength and abrasion resistance for long life under vibration and movement.

• Working pressure: 300 psi; burst pressure: 1200 psi
• Temperature range: -40°F to 257°F (-40°C to 125°C)
• Construction: NBR inner tube with braided polyester reinforcement for durability

How do I install and maintain these push-lock hoses?

Push-lock hoses slip onto compatible push-lock fittings and secure with a clamp if required. Routine inspection for wear, chafing and sealing at connections keeps systems safe; replace if evidence of cracking, hardening or leaks appears.

• Installation: push onto matching push-lock barb, secure with clamp if needed
• Inspection: check for abrasion, kinks, or fluid seepage periodically
• Replacement: replace hoses showing hardening, cracking, or degraded flexibility

Who is this for: EVIL ENERGY's 3/8" & 5/16" push-lock fuel line kit is tailored to mechanics, restorers, fabrication shops and DIY enthusiasts who need reliable, oil-resistant fuel lines that match SAE 30R7 specs. Choose this kit when you require ready-to-use 10 ft lengths with high working pressure, wide temperature tolerance and braided reinforcement for long-term performance in fuel delivery and oil-cooling systems.