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🔧 Bolt up your build with American muscle-grade precision!
The ICT Billet Bolt Kit (Model 551947) is a 28-piece set of Grade 10.9 zinc-coated metric flange bolts, engineered specifically for LSA LS9 supercharger lids and fuel rails on Z06 Corvette, ZL1 Camaro, and CTS-V models. Manufactured in the USA with premium alloy steel, these heavy-duty bolts provide superior strength, corrosion resistance, and a perfect factory fit—eliminating the need for washers and ensuring reliable, long-lasting performance in high-stress engine swaps.









| ASIN | B07PXHMK6Z |
| Brand | ICT Billet |
| Color | Natural |
| Compatible Groove Diameter | 1E+1 Millimeters |
| Customer Reviews | 4.7 out of 5 stars 28 Reviews |
| Drive System | Internal Combustion Engine-based (Rear-Wheel Drive/All-Wheel Drive) |
| Exterior Finish | Natural |
| Fastener Size | M10x1.25 |
| Fastener Type | Flange Bolt |
| Finish Types | Zinc Coated |
| Grade Rating | Grade 10 9 |
| Head Style | Flange |
| Head Type | Flange |
| Item Hardness | Grade 10.9 |
| Item Weight | 6.56 ounces |
| Manufacturer | ICT Billet |
| Manufacturer Grade | Grade 10 9 |
| Material | Metal, zinc-coated |
| Material Type | Metal, zinc-coated |
| Maximum Shear Strength | 100-130 ksi (690-900 MPa) |
| Metal Type | Alloy Steel, Zinc |
| Model | 551947 |
| Number Of Items | 28 |
| Number of Pieces | 28 |
| Part Number | 551947 |
| Screw Head Style | Flange |
| Screw Point Style | Flange |
| Set Name | LSA LS9 Supercharger Hat and Fuel Rail Bolt Kit |
| Set Screw Thread Type | Metric Coarse |
| Size Name | M10x1.25 |
| Thread Class | 1A |
| Thread Coverage | Single End Threaded |
| Thread Size | M10 |
| Thread Style | Right Hand |
| Thread Type | Metric |
| UPC | 657814751668 |
| Unit Count | 1.0 Count |
W**R
Perfect fut
Perfect factory fit and finish
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