Mr. Gasket Header Bolts – Set of 12 (Part #3409)

Hex-Head Steel Header Fasteners – Black Oxide Finish

Upgrade your exhaust installation with these Mr. Gasket 3409 Header Bolts, designed for a secure, long-lasting seal on a wide range of American V8 engines. Made from high-strength steel and finished with black oxide coating, these bolts resist corrosion and maintain clamping force under extreme heat and vibration—perfect for both performance and restoration projects.

Vehicle Compatibility

Suitable for most aftermarket or factory cylinder heads on:

• Chevy V8 engines

• Chrysler V8 engines

• Pontiac V8 engines

(Always confirm thread size and bolt length for your specific application.)

Key Features & Benefits

• Durable Steel Construction – Designed to withstand header heat cycles and torque stress.

• Black Oxide Coating – Provides corrosion protection and a clean, professional look.

• Hex-Head Design – Allows easy installation with standard tools.

• Set of 12 Bolts – Enough for most V8 header flange layouts.

• Ideal for Performance Upgrades or Restorations – Reliable hardware for classic and modern American engines.

Why Choose Customville American?

With over 40 years supplying American car parts to UK enthusiasts, we stock trusted components locally — ensuring fast delivery and no import delays.