

π§ Bolt up like a pro β power, precision, and pride in every turn!
The 140-1101 Header Bolt Kit by ARP features 16 premium-grade M8x1.25 hex bolts made from durable 8740 chrome moly steel with a corrosion-resistant black oxide finish. Designed specifically for Chrysler Hemi 5.7/6.1L engines, these bolts offer Grade 8.8 hardness and are 100% manufactured in-house in the USA, ensuring top-tier strength and reliability for professional-grade header installations.

| Material | 8740 chrome moly |
| Thread Size | 8 mm |
| Exterior Finish | Oxide |
| Manufacturer Grade | Premium |
| Head Style | Hex |
| Colour | Black |
| Fastener Type | Hexagon Bolt |
| Brand | ARP |
| Thread Type | Metric |
| Item Diameter | 8 Millimetres |
| Thread Style | Right Hand, Metric, Full, 8 mm x 1.25 |
| Item Hardness | Grade 8.8 |
| Size | M8x1.25 |
| Head Type | Hex |
| Number of Pieces | 16 |
| UPC | 672036048327 |
| Set Name | 1 Pack |
| Global Trade Identification Number | 00672036048327 |
| Manufacturer | ARP |
| Model | Header Bolt |
| Item model number | 140-1101 |
| Manufacturer Part Number | 140-1101 |
| OEM Part Number | 140-1101 |
| Assembly Required | No |
| Country of Origin | USA |
| Item Weight | 381 g |
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