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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
For the most demanding applications requiring maximum length and uncompromising strength, the Auto Racing Products (ARP) 621-4000 Stainless Steel Bolt Kit stands as the pinnacle of fastening solutions. These exceptionally long 1/4-20 thread bolts measure a full 4.000 inches, providing critical reach for deep mounting points, multi-layered components, or custom fabrications where standard bolts fall short. Forged from premium stainless steel, they offer unparalleled resistance to rust, corrosion, and the harsh elements of any high-performance environment.
Each bolt in this five-piece universal set is meticulously polished to a brilliant shine, ensuring a show-stopping appearance that enhances any engine bay or exposed assembly. The robust 5/16 inch hex head is engineered for superior wrench engagement, allowing for precise and confident torque application without the risk of stripping. Trust these ARP bolts for critical fastening tasks, where both structural integrity and aesthetic perfection are paramount.
These 1/4-20 x 4.000 inch bolts are universally suitable for a vast array of automotive, marine, and industrial applications where a long, strong, and visually appealing fastener is crucial. Perfect for custom builds, engine work, and structural components. Secure your project with ARP fasteners from GGCRACING.
Other popular Auto Racing Products products customers consider together:
ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
For the most demanding applications requiring maximum length and uncompromising strength, the Auto Racing Products (ARP) 621-4000 Stainless Steel Bolt Kit stands as the pinnacle of fastening solutions. These exceptionally long 1/4-20 thread bolts measure a full 4.000 inches, providing critical reach for deep mounting points, multi-layered components, or custom fabrications where standard bolts fall short. Forged from premium stainless steel, they offer unparalleled resistance to rust, corrosion, and the harsh elements of any high-performance environment.
Each bolt in this five-piece universal set is meticulously polished to a brilliant shine, ensuring a show-stopping appearance that enhances any engine bay or exposed assembly. The robust 5/16 inch hex head is engineered for superior wrench engagement, allowing for precise and confident torque application without the risk of stripping. Trust these ARP bolts for critical fastening tasks, where both structural integrity and aesthetic perfection are paramount.
These 1/4-20 x 4.000 inch bolts are universally suitable for a vast array of automotive, marine, and industrial applications where a long, strong, and visually appealing fastener is crucial. Perfect for custom builds, engine work, and structural components. Secure your project with ARP fasteners from GGCRACING.
Other popular Auto Racing Products products customers consider together:
