ARP 1/4-28 hex nut kit (10pcs)

ARP 1/4-28 hex nut kit (10pcs) (ARP Part #200-8639) is a precision-engineered fastener from ARP, the world leader in high-performance fasteners for the automotive industry.

ARP nuts are manufactured to exacting tolerances to ensure proper thread engagement and maximum clamping force. Each nut is heat-treated for optimal strength and durability.

Every ARP fastener is precision CNC-machined from premium raw materials. The manufacturing process includes:

• Cold-forging for superior grain structure
• Precision thread rolling (not cutting) for maximum strength
• Heat treatment to exact specifications
• Magnetic particle inspection for quality assurance

Technical Specifications:

• Thread Size: 1/4-28
• Head Style: Hex

Applications: Ideal for high-performance street engines, racing applications, turbocharged and supercharged builds, and any application where fastener reliability is critical.

Trust ARP - the choice of professional engine builders and motorsport teams worldwide. When engine reliability matters, choose ARP.