ARP SBC/Gen II LS 1/4" Flange 12-Point Header Bolt Kit

Secure your headers with confidence using the ARP SBC/Gen II LS 1/4" Flange 12-point Header Bolt Kit. Built for performance engines and demanding conditions, this hardware kit is designed to deliver consistent clamping force and dependable fastening where exhaust heat and vibration can cause ordinary bolts to loosen over time.

Key Features

• Application: Header bolt kit for SBC/Gen II LS applications
• Flange size: 1/4" flange
• Head style: 12-point head for improved tool engagement and easier access
• Durability: Manufactured to ARP’s high-strength standards for performance use
• Corrosion resistance: Coated/finished to help resist corrosion in harsh engine-bay environments

Vehicle Fitment

Check your vehicle details before ordering.

Fitment disclaimer: Confirm engine/headers and bolt requirements prior to purchase to ensure correct fitment.

Benefits

• Helps prevent loosening: Maintains clamp load under heat cycles and vibration
• Cleaner installs: 12-point heads can make tight header locations easier to work with
• Long-term reliability: Ideal for street performance, track days, and high-RPM builds

Why Buy From Us

• NZ & AU focused: Local eCommerce support for faster, simpler purchasing
• Quality parts: Trusted brands like ARP for critical fastening needs
• Helpful service: We can assist if you’re unsure what hardware your setup requires