SKU: ARP400-8604
MPN: 400-8604
The 3/8-24 SS 6pt Nut 1pk by ARP is a precision fastening component engineered for high-performance automotive applications where reliability and corrosion resistance are non-negotiable. This single-pack stainless steel nut serves as a critical replacement or upgrade component in engine builds, suspension modifications, and drivetrain assemblies where factory hardware may not meet performance demands. Whether you're rebuilding a cylinder head, securing critical engine internals, or upgrading fastener systems on a modified vehicle, ARP's reputation for manufacturing excellence makes this nut a trusted choice among serious mechanics and enthusiasts.
Constructed from premium stainless steel, the 3/8-24 SS 6pt Nut delivers superior corrosion resistance compared to standard zinc-plated hardware, making it ideal for engine bays exposed to moisture, salt, and thermal cycling. The 6-point design provides optimal grip geometry that reduces fastener slippage and distributes load evenly across the bolt head, critical for maintaining clamping force under vibration and extreme operating conditions. ARP's manufacturing tolerances ensure consistent thread pitch and fit, while the stainless construction maintains structural integrity even when exposed to high heat cycles common in turbocharged, supercharged, or naturally aspirated performance engines.
This fastener is essential for engine builders, restorers, and performance enthusiasts who demand precision hardware that won't corrode or seize over time. The 3/8-24 thread specification is commonly used in ARP fastener kits designed for cylinder head studs, intake manifold applications, and other critical engine assembly points. Single-pack availability makes it ideal for replacement, repair, or completing partially used fastener kits without purchasing full sets. Installation requires standard metric wrenching, and compatibility with ARP's matching bolts and studs ensures your entire fastener system maintains consistent quality and performance standards.
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