








🔧 Lock your LS build with bolts that mean business!
ICT Billet USA 12.9 LS Transmission Flywheel Bolts Set offers six high-strength, grade 12.9 alloy steel flange bolts, custom-made in the USA for GM LS engines. Featuring BP corrosion-resistant coating and precise OEM thread specs, these bolts provide superior durability and a washer-free installation, trusted by engine builders for lasting performance.









| ASIN | B07MG7QLDL |
| Brand | ICT Billet |
| Colour | Natural |
| Country of Origin | USA |
| Customer Reviews | 4.8 4.8 out of 5 stars (274) |
| Date First Available | 9 January 2020 |
| Exterior Finish | Natural |
| Fastener Type | Flange Bolt |
| Head Style | Flange |
| Head Type | Flange |
| Item Diameter | 11 Millimetres |
| Item Hardness | Grade 12.9 |
| Item Weight | 159 g |
| Item part number | 551926 |
| Manufacturer | ICT Billet |
| Manufacturer Grade | Grade 12.9 |
| Manufacturer Part Number | 551926 |
| Material | Alloy Steel |
| Maximum Shear Strength | 7.74 ksi |
| Metal Type | Alloy Steel, Aluminium |
| Net Quantity | 6.0 Count |
| Number of Pieces | 6 |
| OEM Part Number | 551926 |
| Size | M11-1.5 |
| Thread Class | 3A |
| Thread Size | M11 |
| Thread Style | Right Hand |
| Thread Type | M11-1.5 |
| UPC | 657814753495 |
A**E
High quality product for my engine build. Anything from ICT is a great solution. They fit as expected and look like they are higher quality than the OEM boots. They function as you would expect. My flywheel is still attached.
D**2
Worked as advertised
A**L
Does what they were meant to do, no issues.
S**T
Gr8 product
E**2
These may seem short compared to OEM bolts. However with Red Loctite and proper Torque spec these hold just fine.
Trustpilot
2 months ago
2 weeks ago