SKU: WIN5067G-30.5
MPN: 5067G-30.500
The 30.5in Axle/31 Spline Gundrilled by Winters is a precision-engineered axle shaft designed for high-performance street and drag racing applications where reliability and load capacity are non-negotiable. This axle shaft serves as the critical load-bearing component that transfers power from the differential directly to the wheels, making it essential for vehicles running upgraded powerplants or competing in sanctioned motorsports. Whether you're building a street machine, bracket racer, or weekend warrior, a quality axle assembly is foundational to safe power delivery and longevity.
The 31-spline design on this Winters axle provides superior engagement with the carrier, distributing torque across a greater contact surface than standard spline counts and reducing shear stress under extreme loads. Gun drilling—a precision machining process that bores a controlled hole through the axle center—improves weight distribution and can enhance harmonic balance while maintaining structural integrity. The steel construction with natural finish resists corrosion and delivers the strength necessary for sustained high-horsepower applications, with a compact 2.75 x 2.75 inch cross-section that fits most modern and classic axle housings without modification. At 7.4 lbs, this 30.5-inch length is optimized for standard-width platforms and direct bolt-in compatibility.
Mechanics and performance builders favor the 30.5in Axle/31 Spline Gundrilled for late-model and restomod vehicles requiring OEM-compatible dimensions with upgraded durability. This axle excels in applications where the 24-spline drive flange mates with factory or aftermarket differentials commonly found in Ford 9-inch, 8.8-inch, and comparable rear housings. Proper installation requires confirming carrier spline count, verifying flange fit, and ensuring bearing preload is set to manufacturer specifications; always measure axle length and flange offset before ordering to guarantee seamless fitment and prevent vibration or premature failure.
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