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🔧 Lock in power and reliability with every bolt – don’t let your build settle for less!
The PQY Cylinder LS Head Studs Bolts Kit is a high-performance, direct-fit upgrade designed for Chevy 97-03 5.3L and 6.0L engines. Featuring centerless ground, heat-treated iron studs with a durable black oxide finish, this 12-point head stud kit offers 220K PSI tensile strength and superior heat resistance. The comprehensive kit includes all necessary studs, nuts, and washers for easy installation, delivering professional-grade reliability and enhanced engine performance.


| ASIN | B0824Q1GM6 |
| Best Sellers Rank | #32,680 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Engine Head Bolt Sets |
| Brand | PQY |
| Color | black |
| Customer Reviews | 4.0 out of 5 stars 403 Reviews |
| Fastener Type | Stud Bolt |
| Finish Types | Black Oxide |
| Head Style | 12-Point |
| Item Diameter | 8 millimeters |
| Item Highlight | 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit for LS1 LQ9 LS6 4.8L 5.3L 5.7L 6.0L Engines |
| Item Shape | Round |
| Manufacturer | PQY |
| Material | Iron |
| Material Type | Iron |
| Maximum Shear Strength | 132 ksi - 176 ksi (97.9 MPa - 121.5 MPa) |
| Model | emk05 |
| Number Of Items | 1 |
| Number of Pieces | 90 |
| Outside Diameter | 8 millimeters |
| Part Number | emk05 |
| Screw Head Style | 12-Point |
| Set Name | PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit |
| Size | for 97-03 Chevy |
| Size Name | for 97-03 Chevy |
| Thread Size | M8 |
| UPC | 781829867820 |
| Unit Count | 1 Count |
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