Joes Racing ARP Speed Wheel Stud for 5x5 Hub, 2.66 Length ⅝-11 - 5 Pack 25305

The 25305 is the professional’s choice for wheel retention. In racing, wheel studs are subjected to immense shear loads and heat cycles. These studs are manufactured from high-strength alloy steel that far exceeds the tensile strength of standard OEM or "parts store" hardware. The "Speed Tip" design ensures that even in the dark or under pressure, the lug nut finds the threads instantly without cross-threading.

Detailed Technical Specifications

1. ARP® Proprietary High-Strength Alloy

• Heat Treated for Strength: These studs are heat-treated to a high tensile strength (typically 190,000 psi or higher) to prevent "stud stretch" or breakage during high-G cornering.

• Rolled Threads: Unlike cut threads, ARP rolls their threads after heat treatment, which provides significantly higher fatigue strength and prevents the threads from "galling" under heavy torque.

• Corrosion Protection: Finished with a durable coating that resists the salt, moisture, and impact-wrench abuse common in the pits.

2. "Speed Lead" Bullnose Tip

• Anti-Cross Threading: The unthreaded "bullnose" tip acts as a guide, aligning the lug nut perfectly before the threads engage. This is a critical feature for "live" pit stops where seconds count.

• Rapid Nut Starting: Allows the tire changer to "toss" the nut onto the stud and start it by hand or with an impact gun with 100% confidence.

3. 5x5 Hub Geometry

• Precision Press-Fit: Designed with a specific knurl diameter to fit perfectly into 5x5 racing hubs (GN/Wide-5 style or 5x5 truck-based hubs).

• 2.66" Versatile Length: This length is optimized to provide full thread engagement for thick aluminum wheel centers while maintaining enough clearance for standard or "open-end" racing lug nuts.