








🔧 Upgrade your Duramax with bolts that mean business!
This 12-point up pipe/manifold bolt set from Precision Parts is a vehicle-specific upgrade for 2001-2016 Chevy Silverado and GMC Sierra 6.6L Duramax diesels. Featuring Grade 12.9 alloy steel construction, a corrosion-resistant black finish, and a 12-point head design, these bolts provide superior strength and durability over stock hardware. Sold as a full set of 12, they ensure a secure, long-lasting fit for your exhaust manifold and turbo assembly, backed by a 1-year warranty.
| Material | Alloy Steel |
| Manufacturer Grade | Grade 12.9 |
| Head Style | Hexagon Socket |
| Colour | black |
| Fastener Type | 12 Point Bolt |
| Brand | Precision Parts |
| Thread Type | UNC |
| Thread Style | Right Hand |
| Item Hardness | Grade 12.9 |
| Metal Type | Alloy Steel |
| Head Type | Hex |
| Number of Pieces | 12 |
| UPC | 764227521884 |
| Manufacturer | Precision Parts |
| Package Dimensions | 8.2 x 7.59 x 3.91 cm; 200 g |
| Item part number | PP-DMAX-BOLTS |
| Manufacturer Part Number | PP-DMAX-BOLTS |
| Item Weight | 200 g |
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