






🔧 Upgrade Your Ride with Rock-Solid Reliability!
This 12-point cylinder gasket head stud bolts nuts kit is a precision-engineered, heat-treated, and black oxide finished 90-piece set designed for 97-03 Chevy LS series engines and compatible GM models. With a tensile strength of 220K psi and high temperature resistance, it offers a durable, direct-fit solution to replace old bolts, enhancing engine performance and reliability.







| Head style | Cylinder |
| Finish type | Black Oxide |
| Shape | Round |
| Item diameter | 8 Millimeters |
| Thread size | M11 |
| Number of pieces | 90 |
| Maximum shear strength | 132 ksi - 176 ksi (97.9 MPa - 121.5 MPa) |
| Manufacturer | PQY |
| UPC | 781829867820 |
| Part number | emk05 |
| Item Weight | 3.04 Kilograms |
| Item model number | emk05 |
| Color | Black |
| Finish | Black Oxide |
| Item Package Quantity | 1 |
| Head Style | Cylinder |
| Cutting Diameter | 8 Millimeters |
| Batteries Included? | No |
| Batteries Required? | No |
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