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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.
Connecting rod bolts are arguably the most critical fasteners inside your engine. The ARP 3/8-24 12pt Rod Bolt is designed to withstand the extreme reciprocating forces found in high-performance engines. When you push your RPMs to the limit, you need hardware that won't stretch or fail. ARP’s proprietary manufacturing process ensures these bolts provide the clamping force necessary to keep your rod bearings seated perfectly under load.
These bolts are the result of decades of racing development. By utilizing a 12-point head design, they allow for easier socket engagement in confined spaces, making them the preferred choice for professional engine builders. Whether you are refreshing a street strip engine or building a dedicated race motor, choosing the right rod bolts is essential for longevity. Avoid catastrophic engine failure by replacing your tired factory rod hardware with the gold standard in fastener technology. Get the best engine internals and hardware at GGCRACING.
| Brand | ARP |
|---|---|
| Manufacturer part number | 3AJ1.850-2C |
| GGC SKU | ARP3AJ1.850-2C |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 5 × 3 × 0.5 in |
|---|---|
| Shipping weight | 0.08 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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