
ARP 4001209 Header Bolts with 12-Point Heads, Polished Stainless Steel, Set of 12
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ARP's premium grade header bolt kit is an excellent choice to facilitate the installation of your vehicle's exhaust headers. To maintain a reputation for "zero defects", ensure optimum quality control, and produce fasteners of exceptionally high quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they can be closely monitored. ARP takes extraordinary steps to produce the very finest products of their kind on the market today. Manufactured from ARP's proprietary steel alloy "Stainless 300" and polished to produce a beautiful finish, these components are tolerant of heat, virtually impervious to rust and corrosion, and they are rated at 170,000 psi tensile strength, which is substantially stronger than Grade 8 hardware. The 3/8" diameter bolts are a compact 12-point style that are great for tight, hard-to-reach areas, have a 1.000 under head length, and the 12 piece set includes premium-quality washers. ProductDatabase recorded product dimensions: Length 7.0000, Width 5.0000, Height 0.6300 and product weight 0.5200 (from ProductDatabase). Part number (Mfg Part No): 400-1209. UPC: 672036013295. Set of 12 hardware pieces for exhaust header installation.
- Heads are compact 12-point style, and premium-quality washers are included
- Manufactured from polished Stainless 300 steel, a proprietary alloy that is impervious to rust and corrosion
- Bolts are 3/8" in diameter and have a 1.000 under head length; 12 pieces
- Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
- Premium grade bolt kit to facilitate installation of exhaust headers
Specifications:
| Materials & Construction | |
| Exterior Finish | Painted |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Product Details | |
| Fastener Size | 0.375 inches |
| Fastener Type | Hexagon Bolt |
| Head Style | Hex |
| Head Type | 12-point |
| Included Components | Hardware Kits - Other |
| Item Diameter | 0.38 Inches |
| Item Type Name | Hardware Kits - Other |
| Model | 4001209 |
| Number of Pieces | 12 |
| Part Number | 4001209 |
| Screw Head Style | Hex |
| Set Name | Set of 12 |
| Size Name | Stock |
| Thread Class | B |
| Thread Coverage | Single End Threaded |
| Thread Style | Right Hand |
| Thread Type | Unc |
| Warranty Description | Manufacturer warranty |
| Sizing & Dimensions | |
| Height | 0.63 inches |
| Length | 7 inches |
| Product Dimensions | 7 x 5 x 0.63 inches |
| Size | 0.375 inches |
| Weight | 0.52 pounds |
| Width | 5 inches |
| Technical Specifications | |
| Compatible Groove Diameter | 0.38 Inches |
| Grade Rating | Premium |
| Item Hardness | Grade 8 |
| Maximum Shear Strength | 580 MPa (84,000 psi) |
| Part Interchange Info | 400-1209 |
| Thread Class | B |

