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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.
Precision is key when assembling a high-performance engine. This 10-pack of Auto Racing Products (ARP) 12-point stainless steel nuts is designed for applications requiring a 1/4-28 thread pitch. With a 5/16-inch 12-point head, these nuts offer a compact profile that is ideal for tight spaces, such as intake manifolds, timing covers, or valve train components.
ARP is the trusted name in racing fasteners, and this 10-pack provides the perfect quantity for common engine assembly tasks. Whether you are a professional engine builder or a weekend enthusiast, using high-quality hardware is the best way to ensure your engine performs reliably under pressure. Avoid the common pitfalls of standard hardware and upgrade to the professional-grade strength of ARP. Browse our full selection of premium automotive fasteners and performance parts at GGCRACING.
| Brand | Auto Racing Products |
|---|---|
| Manufacturer part number | 400-8330 |
| GGC SKU | BQDN_400-8330 |
| UPC / GTIN | 672036024697 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 6 × 4 × 0.8 in |
|---|---|
| Shipping weight | 0.08 lb |
Vehicle fitment is not listed for this part. Send us your year, make and model at sales@ggcracing.com and we will confirm before you order.
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