ARP 12-point stainless steel bolts, 7/16-14 thread with a 2.500 in under-head length, a 1.250 in grip length and 1.250 in of thread. The 12-point head is sized for a 1/2 in wrench, giving full tool engagement in tight clearance, and the collar measures 0.740 in with a 0.345 in head height. ARP stainless is rated at 180,000 psi tensile strength and is virtually impervious to rust and corrosion. Supplied as a pack of five with washers.
Specifications
| Type | 12-point bolt, universal fastener |
| Thread Size | 7/16-14 |
| Size | 2.500 in under-head length (5 Pack) |
| Grip Length | 1.250 in |
| Thread Length | 1.250 in |
| Head Height | 0.345 in |
| Collar Diameter | 0.740 in |
| Wrenching | 1/2 in, 12-point |
| Material | ARP Stainless, 180,000 psi tensile strength |
| Finish | Polished stainless |
| Includes | Washers |
| Quantity | 5 |
| Part Number | 614-2500 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
