This is a pack of ten ARP 12-point nuts in the 5/16-24 thread size. Each nut is made from 8740 chromoly steel with a black oxide finish for higher clamp load and better fatigue strength than a factory nut. The 12-point profile seats a thin-wall socket in tight clearances. Kit includes 10 nuts.
| Type | 12-point flange nut set |
| Material | 8740 chromoly steel, black oxide finish |
| Thread | 5/16"-24 |
| Included | 10 nuts |
| Part Number | 300-8331 |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
