This is a pack of ten ARP 12-point nuts in the M12 x 1.25 thread size. Each nut is machined from 8740 chromoly steel and finished in black oxide, providing higher clamp load and fatigue strength than a stock nut. The 12-point profile works with a thin-wall socket for tight-clearance fastening. Kit includes 10 nuts.
| Type | 12-point flange nut set |
| Material | 8740 chromoly steel, black oxide finish |
| Thread | M12 x 1.25 |
| Included | 10 nuts |
| Part Number | 300-8337 |
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.
