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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.
The ARP 7/16-20 CA625 12pt nut is engineered for the most demanding racing applications. Constructed from ultra-high-strength CA625 material, this nut offers exceptional tensile strength and fatigue resistance, making it the ideal choice for critical engine assemblies where failure is not an option. Its 12-point design ensures precise torque application and allows for easier tool clearance in confined spaces.
This fastener is designed to maintain consistent clamping loads under extreme thermal cycling and high-RPM conditions. By choosing ARP's CA625 series, you are investing in the gold standard of racing hardware. Whether you are prepping for a drag strip run or a circuit race, these nuts provide the peace of mind that your engine components remain locked in place. Experience the difference in quality and performance with GGCRACING.
| Brand | ARP |
|---|---|
| Manufacturer part number | APN12-6A |
| GGC SKU | ARPAPN12-6A |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 0.8 × 0.8 × 0.25 in |
|---|---|
| Shipping weight | 0.03 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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