QA1 KFL5TS K Series 3-Piece Carbon Steel Rod End 5/16 in. Bore Female Left-Hand Thread with Stud

The QA1 KFL5TS is a K Series three-piece carbon steel rod end featuring a female, left-hand threaded body with a 5/16 in. bore and 5/16 in.-24 LH thread pitch. Designed for precision performance in racing and high-performance street applications, this rod end delivers reliable articulation and load transfer where accuracy matters most.

The KFL5TS includes a stud configuration, making it ready for direct installation without additional hardware. The three-piece construction consists of a carbon steel body with a protective coating for corrosion resistance, an alloy steel race that is both corrosion and wear resistant, and a precision-ground 52100 bearing steel ball that is heat-treated and hard chrome plated for maximum durability and smooth operation.

Key Features:

• Series: K Series, 3-piece design
• Thread: 5/16 in.-24 Left-Hand (LH) female threads
• Bore: 0.3125 in. (5/16 in.)
• Configuration: Stud (TS) — stud included
• Body Material: Carbon steel with protective corrosion-resistant coating
• Ball Material: 52100 bearing steel, heat treated, precision ground, hard chrome plated
• Race Material: Alloy steel, corrosion and wear resistant
• Thread Direction: Left-hand — ideal for use with right-hand threaded counterpart in adjustable linkages
• Sold: Individually

QA1 K Series KF rod ends are available in both right-hand and left-hand thread configurations, making them well-suited for use in pairs on adjustable tie rods, panhard bars, control arms, and other suspension or steering linkages. The left-hand thread of the KFL5TS allows easy length adjustment without disassembly when paired with a right-hand threaded counterpart.