ARP 16-piece broached stud kit, M8 x 1.25 x 51mm, for accessory and intake/exhaust manifold use. Broached studs install with an allen key and deliver consistent, accurate clamping load. Heat-treated 8740 chromoly with included nuts and washers.
Specifications
| Part Number | 400-8034 |
| Thread | M8 x 1.25 |
| Length | 51mm |
| Material | 8740 chromoly, broached |
| Quantity | 16-piece kit |
| Includes | Heat-treated 8740 chromoly studs; Broached - installs with an allen key; Consistent, accurate clamping load; 16-piece kit with nuts and washers |
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
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