ARP AQ4-750-1LB 9/16-12 High-Performance Chromoly Stud 4.750 Inch

The ARP AQ4-750-1LB is a high-performance individual replacement stud designed for demanding automotive and racing applications. This precision-engineered fastener is manufactured from premium 8740 chromoly steel, providing exceptional strength and reliability where it matters most.

Key Specifications:

• Thread Size: 9/16-12 and 9/16-18 inch threads
• Overall Length: 4.750 inches
• Material: 8740 chromoly steel with black oxide finish
• Tensile Strength: Nominally rated at 190,000 psi
• Broached Allen head end for easy installation and removal
• Precision centerless-ground construction
• Thread-rolled to Mil-S-8879 specifications

Features and Benefits:

• Superior strength compared to OEM fasteners and standard Grade 8 hardware
• Black oxide coating provides corrosion resistance
• Manufactured in-house by ARP with rigorous quality control
• Suitable for engine, driveline, and high-stress applications
• Individual stud made with the same quality standards as complete ARP stud kits

ARP (Automotive Racing Products) has been the trusted name in high-performance fasteners since 1968, serving professional racing teams in Formula 1, IndyCar, NASCAR, and NHRA. Each fastener undergoes precision manufacturing processes including heading, machining, grinding, heat-treat, thread rolling, and shot-peening to ensure zero-defect performance. This individual stud is sold separately; nuts and washers are available separately.