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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.
When building a high-performance engine, every component matters. The ARP 7/16-20 Hex Nut is designed to meet the rigorous demands of racing and street performance applications. Manufactured from premium-grade alloys, these nuts provide superior tensile strength and consistent torque retention compared to standard OEM hardware.
Whether you are assembling a custom cylinder head or securing high-load engine components, ARP hardware provides the peace of mind you need. These 7/16-20 hex nuts are the industry standard for maintaining consistent clamping loads, ensuring your engine remains sealed and secure under the most intense conditions. Don't compromise your build with inferior fasteners; choose the strength and reliability of ARP. For all your engine hardware needs, trust the experts at GGCRACING.
| Brand | ARP |
|---|---|
| Manufacturer part number | 200-8605 |
| GGC SKU | ARP200-8605 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 0.8 × 0.8 × 0.5 in |
|---|---|
| Shipping weight | 0.04 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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