Pro Series 04-20 LS Cylinder Head 12-point Stud Kit

Upgrade your LS engine with the Top Street Performance Pro Series LS Cylinder Head 12-Point Stud Kit. Designed for 2004-2020 GM Gen III and Gen IV LS applications, this LS cylinder head stud kit provides the clamping force and durability needed to help maintain reliable head gasket sealing in street, performance, racing, and boosted engine applications. Whether you're assembling a fresh engine, replacing cylinder heads, or performing a complete rebuild, these LS head studs provide dependable cylinder head retention under demanding conditions.

Improved Head Gasket Sealing
Designed to provide strong and consistent clamping force, these LS cylinder head studs help support reliable head gasket sealing and cylinder pressure control. Stud-style fasteners also help guide cylinder heads into position during installation, making engine assembly easier and more precise.

High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this LS head stud kit is built to withstand demanding engine conditions. Threads are rolled after heat treatment and protected with a black oxide finish and oil coating for enhanced durability and corrosion resistance.

Designed for 2004-2020 LS Applications
Engine-specific design provides compatibility with a wide range of Gen III and Gen IV LS engine combinations. These LS engine head studs are ideal for stock replacement, engine rebuilds, cylinder head upgrades, naturally aspirated builds, and boosted applications requiring dependable cylinder head hardware.

Ideal for Performance Builds & Engine Rebuilds
Perfect for cylinder head installation, head gasket replacement, engine assembly, and high-performance engine projects where fresh LS cylinder head hardware is recommended. An excellent choice for maintaining cylinder head retention and long-term reliability in demanding street and racing environments.

COMPATIBLE WITH
GM LS SERIES V8 ENGINES - 2004–2020 STYLE
• 4.8L / 293 in³ (LY2)
• 5.3L / 325 in³ (LM7, L59, LC9, LH6, LY5)
• 6.0L / 364 in³ (LQ4, LQ9, LY6, L76, L96)
• 6.2L / 376 in³ (LS3, L92, L99, L9H)
• 7.0L / 427 in³ (LS7, application-specific verification required)

COMMON VEHICLE APPLICATIONS
Chevrolet Corvette / Camaro (LS equipped)
Chevrolet Silverado / GMC Sierra LS-based trucks
Chevrolet Tahoe / Suburban / GMC Yukon LS-based SUVs
Pontiac G8 / GTO and LS swap applications

NOTES
• Designed for 2004-2020 LS cylinder head stud applications.
• Not compatible with 1997-2003 LS cylinder head fastener applications unless specifically confirmed.
• Not compatible with Gen V LT engines.
• Verify cylinder head casting and model year before ordering.

SPECIFICATIONS
Torque: 75ft-lbs big 25ft-lbs small / step 1 25ft-lbs ALL / step 2 50ft-lbs big bolts only / step 3 75ft-lbs big bolts only
Color: Black
Fastener Style: Stud
Grade: Performance
Head Style: 12-point
Material: 35 Chromoly Steel
Quantity: Sold as a kit