Description
Product Overview
This 12PCS header bolt kit is designed for LS Series engines, including LS1, LS2, LS3, and more. The kit features 12 premium exhaust manifold/header flange bolts with integrated flanged heads, made from Grade 10.9 high-strength steel for secure performance and durability.
Usage
This kit is ideal for engine swaps, performance upgrades, or replacing worn-out OEM hardware. It’s perfect for mechanics and DIYers who need a reliable exhaust manifold fastening solution.
Why Choose Us
YCQDDA’s 12PCS header bolt kit stands out from the competition with its advanced Dacromet coating, providing superior corrosion resistance in high-moisture, salt-spray, and high-heat environments. Our kit is built to withstand extreme torque, vibration, and heat for long-lasting, secure performance.
Key Features
- 12PCS premium exhaust manifold/header flange bolts with integrated flanged heads
- Grade 10.9 high-strength steel for secure performance and durability
- Advanced Dacromet coating for superior corrosion resistance
- Ideal for engine swaps, performance upgrades, or replacing worn-out OEM hardware
- Trusted by mechanics and DIYers for reliable exhaust manifold fastening
FAQ
What is the compatibility of this kit?
This kit is designed for LS Series engines, including LS1, LS2, LS3, and more. Please check the compatibility chart to ensure this kit fits your specific engine model.
What is the material of the bolts?
The bolts are made from Grade 10.9 high-strength steel, providing secure performance and durability.
How do I install this kit?
For installation instructions, please refer to the user manual or contact our customer support team.
What is the warranty of this kit?
This kit comes with a 1-year warranty. Please contact our customer support team for more information.




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