5/16 Aluminum Scalloped Tube - 18in.

The 5/16 Aluminum Scalloped Tube - 18in. from QUICKCAR RACING PRODUCTS is purpose-built for high-performance fuel and coolant line routing in race-car applications where reliability and weight savings are non-negotiable. This tubing serves as a critical component in custom fuel systems, coolant bypass circuits, and specialized engine plumbing where traditional steel lines would add unnecessary mass. Whether you're building a competition drag car, road racer, or street machine with serious modifications, this aluminum scalloped tube delivers the lightweight advantage that counts when every pound matters for acceleration and handling.

Constructed from aluminum alloy, the 5/16 Aluminum Scalloped Tube features a scalloped design—internal surface indentations that increase internal surface area without increasing external dimensions, enhancing fluid flow efficiency while maintaining a compact profile. At 0.38 lbs and measuring 18 inches in length with a 1.05-inch outer diameter and 0.65-inch inner diameter, this tube balances structural integrity with significant weight reduction compared to steel alternatives. The 5/16-inch diameter specification indicates compatibility with standard fuel and coolant hose sizing, making it a direct upgrade path for drivers upgrading from rubber hose to rigid line systems. Aluminum's superior thermal conductivity also aids coolant temperature management in high-horsepower engines running tight margins.

This 18-inch length is ideal for fuel cell-to-carb runs, intercooler-to-engine coolant feeds, and auxiliary cooling loops in forced-induction applications. Professional engine builders and dedicated track competitors rely on QUICKCAR RACING PRODUCTS tubing for its consistency and proven performance in competition environments where system failures are not an option. Installation requires basic hose barb or AN adapter fittings at each end, and the rigid design eliminates the hose flex that can occur under high-speed acceleration or cornering forces. For any enthusiast upgrading fuel delivery systems or custom coolant routing, this aluminum scalloped tube delivers OEM-quality construction at a price point that makes serious engine bay modifications accessible.