YZQPNB 12-Point Cylinder Head Stud Kit for LS1/LS3 4.8L-6.0L Engines | 234-4317 Replacement

Upgrade your LS engine with the YZQPNB 12-point Cylinder Head Stud Kit

Torque integrity and gasket sealing matter for reliable engine performance. The YZQPNB kit provides a robust, direct replacement for the part 234-4317 and is designed to fit a wide range of LS family engines from 2004 to 2019. It’s built to withstand everyday driving and more demanding use, offering a practical option for those maintaining or restoring LS powerplants. While no part can guarantee outcomes, this kit is designed to align with typical installation practices and torque sequences for LS engines.

Key advantages

• Direct replacement for 234-4317 with broad compatibility across 2004 through 2019 LS engines
• Crafted from 8740 high-tensile chromium-moly steel for strong clamping and durability
• Black oxide finish improves corrosion resistance and presents a clean, factory-like look
• Complete kit includes 10 M8 studs, 20 M11 head studs, 30 parallel-ground washers, and 30 12-point nuts
• Parallel-ground washers promote uniform load distribution and help achieve consistent torque readings
• Professional processing supports safe handling and reliable performance during installation

What you get and how it helps

• All required hardware for a full cylinder head stud conversion is included
• Designed to simplify installation with components that work together as a set
• Stable clamping helps maintain gasket seal through typical driving and thermal cycles

Note: This is not genuine OEM, but it is a purpose-built replacement intended to fit the described LS engines. If you have compatibility questions, our team is ready to assist with guidance and installation notes.

Real-world use and scenarios

For restorations or upgrades on LS engines, choosing the right head stud kit can influence how torque values are read and applied. The chrome-moly steel construction and precisely machined washers aim to support consistent torque application, while the included hardware set keeps the installation organized. The kit covers 2004 through 2019 LS engines, offering a practical option for spares or repairs without OEM-only constraints.