Pro Series LSX Cylinder Head 12-point Stud Kit
Pro Series LSX Cylinder Head 12-point Stud Kit
SKU: SKU: 734-81960
In stock
Product Details
Features
- Fits GM LS Gen III/IV applications; verify cathedral or rectangular port compatibility before ordering
- Stud kit with 12-Point hardware and 35 Chromoly construction for performance engine builds
- Provides strong, consistent clamping force to support head gasket sealing and cylinder pressure control
- Complete application-specific kit; verify cylinder head style and block thread requirements
Description
Upgrade your GM LS Gen III/IV build with a Pro Series cylinder head stud kit engineered for stronger clamping force, accurate torque readings, and reliable cylinder head sealing. Built for performance engine assembly, this kit helps improve head gasket retention and long-term durability under higher cylinder pressure.
Improved Head Alignment & Clamping
Stud-style fasteners help guide the cylinder head into position during assembly while providing strong, consistent clamping force for improved head gasket sealing.
Performance Fastener Construction
Constructed from 35 Chromoly with a Black finish, this kit is designed for strength, corrosion resistance, and dependable performance during demanding engine operation.
Accurate Installation
12-Point fastener design and matched hardware support more consistent torque readings during installation. Follow the included or manufacturer-recommended torque sequence and lubricant requirements.
Complete Application-Specific Kit
Sold as a Kit. Verify cylinder head style, block thread size, and application notes before installation to ensure proper fitment.
Specs
| Fastener Color | Black |
| Fastener Material | 35 Chromoly |
| Fastener Style | Stud |
| Head Style | 12-Point |
| Quantity | Sold as a Kit |
Engine Fitment
COMPATIBLE WITH
GM LSX / AFTERMARKET LS-BASED V8 ENGINE PLATFORMS
• LSX and aftermarket LS-based blocks
• Common LS-based stroker and performance builds
COMMON VEHICLE APPLICATIONS
Chevrolet Camaro / Corvette LSX performance builds
GM truck and SUV LSX swap applications
Drag, street/strip, and high-horsepower LS-based builds
NOTES
Designed for LSX / aftermarket LS-based cylinder head stud applications.
Verify block thread depth, cylinder head casting, gasket thickness, and manufacturer torque requirements before installation.
Not compatible with Gen V LT direct-injection engines, Gen I SBC, or Big Block Chevy engines unless specifically confirmed.
Q&A
What engines are these cylinder heads compatible with?
These cylinder heads are designed for COMPATIBLE WITH, CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED).
Are these heads assembled or bare?
Configuration should be confirmed in the product details.
What material are these cylinder heads made from?
They are made from aluminum, which helps reduce weight and improve heat dissipation.
Will these cylinder heads improve engine performance?
Yes, performance cylinder heads are designed to improve airflow, which can increase horsepower, torque, and overall engine efficiency.
Are these a good upgrade over stock cylinder heads?
Yes, these cylinder heads are a strong upgrade for improving airflow and overall engine performance compared to factory heads.
Do these heads require additional components for installation?
Depending on your setup, additional components such as gaskets, pushrods, valve train components, or tuning may be required.
Are these suitable for street or race applications?
These cylinder heads can be used for street performance and performance builds depending on the overall engine combination.
Emissions Notice
This product does not require an Executive Order in California. By nature of its design this product does not require an emissions certification.
Pro Series LSX Cylinder Head 12-point Stud Kit
Upgrade your GM LS Gen III/IV build with a Pro Series cylinder head stud kit engineered for stronger clamping force, accurate torque readings, and reliable cylinder head sealing. Built for performance engine assembly, this kit helps improve head gasket retention and long-term durability under higher cylinder pressure.
Improved Head Alignment & Clamping
Stud-style fasteners help guide the cylinder head into position during assembly while providing strong, consistent clamping force for improved head gasket sealing.
Performance Fastener Construction
Constructed from 35 Chromoly with a Black finish, this kit is designed for strength, corrosion resistance, and dependable performance during demanding engine operation.
Accurate Installation
12-Point fastener design and matched hardware support more consistent torque readings during installation. Follow the included or manufacturer-recommended torque sequence and lubricant requirements.
Complete Application-Specific Kit
Sold as a Kit. Verify cylinder head style, block thread size, and application notes before installation to ensure proper fitment.
COMPATIBLE WITH
GM LSX / AFTERMARKET LS-BASED V8 ENGINE PLATFORMS
• LSX and aftermarket LS-based blocks
• Common LS-based stroker and performance builds
COMMON VEHICLE APPLICATIONS
Chevrolet Camaro / Corvette LSX performance builds
GM truck and SUV LSX swap applications
Drag, street/strip, and high-horsepower LS-based builds
NOTES
Designed for LSX / aftermarket LS-based cylinder head stud applications.
Verify block thread depth, cylinder head casting, gasket thickness, and manufacturer torque requirements before installation.
Not compatible with Gen V LT direct-injection engines, Gen I SBC, or Big Block Chevy engines unless specifically confirmed.
SPECIFICATIONS
Fastener Color: Black
Fastener Material: 35 Chromoly
Fastener Style: Stud
Head Style: 12-Point
Quantity: Sold as a Kit
