The Speedflow 819-04 -4AN 1/4" Tube Sleeve is designed for hardline plumbing where secure, leak-free AN connections are required. Used with compatible -4AN tube nuts, it supports proper sealing on flared tube ends in fuel, oil and hydraulic systems. Precision machined for performance automotive and motorsport fabrication where reliability under pressure is critical. Features Suits -4AN fittings Designed for 1/4" OD hardline tube Precision machined for secure sealing Compatible with Speedflow -4AN tube nuts Suitable for fuel, oil and hydraulic systems Lightweight and corrosion-resistant construction Typical Applications Fuel hardline fabrication Oil system plumbing Hydraulic and clutch lines Custom fluid routing Street, track and motorsport builds Fitment Notes Designed for use with 1/4" OD tube Must be paired with compatible -4AN tube nut Correct tube flaring required prior to installation Not suitable for flexible hose assemblies
