This ARP nut kit provides ten 12-point nuts machined from 8740 chromoly steel with a black oxide finish, rated at 180,000 psi tensile strength. The M8 x 1.25 thread and 12-point head make them a high-strength replacement for factory hardware on studded engine, driveline, and chassis applications.
| Type | 12-point nut kit |
| Material | 8740 chromoly steel, black oxide |
| Thread | M8 x 1.25 |
| Tensile Strength | 180,000 psi |
| Quantity | 10 nuts |
| Part Number | 300-8312 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
