🔧 Bolt up like a pro — don’t let your ride settle for less!
The ARP 134-1202 Chromoly Header Bolt Kit is a premium fastener set designed for Chevrolet Gen III/LS Series engines. Featuring 3/8˝ diameter Grade 10.9 hardened steel bolts with a black oxide finish, these bolts deliver an impressive 170,000 psi tensile strength. Each kit includes all necessary parts plus premium washers and offers hex or 12-point head options, ensuring a precise, corrosion-resistant, and durable installation that outperforms stock hardware under the harshest conditions.
| Exterior Finish | Machined |
| Manufacturer Grade | Grade 2 |
| Head Style | Hex |
| Color | Black |
| Fastener Type | Hexagon Bolt |
| Brand | ARP |
| Item Diameter | 0.38 Inches |
| Item Hardness | Grade 10.9 |
| Size | 3/8 inch |
| UPC | 672036041984 |
| Manufacturer | ARP |
| Model | _ |
| Item Weight | 9.6 ounces |
| Item model number | 134-1202 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 1341202 |
| OEM Part Number | 134-1202 |
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