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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 M12 x 1.25 12pt Nut Kit is designed to provide superior clamping force and reliability compared to standard factory hardware. Manufactured from premium-grade materials, these nuts are engineered to withstand extreme stress and heat cycles without yielding, ensuring your engine components remain securely fastened under the most demanding racing conditions.
Whether you are performing a routine engine refresh or a full-blown racing build, ARP hardware is the industry standard for professionals and enthusiasts alike. The 12-point head design not only looks professional but provides the clearance needed when working with complex manifold or head configurations. Don't risk your engine build with inferior hardware; trust the strength of ARP. Experience the difference in quality and performance when you shop for your automotive hardware needs at GGCRACING.
| Brand | ARP |
|---|---|
| Manufacturer part number | 300-8307 |
| GGC SKU | ARP300-8307 |
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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