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65-72 Chevrolet Big Block Exhaust Header Gasket
Seal your big block headers the right way with a purpose-built gasket engineered for 65-72 Chevrolet applications. Designed to handle heat cycling and prevent exhaust leaks at the manifold joint. Stops compression loss before it starts.
Key Features
- Big block fitment - Matches factory header flange port patterns and bolt spacing
- Heat-resistant construction - Survives high exhaust temperatures without deterioration
- Ready to install - No modification needed; bolts directly to headers and cylinder head
Specs
- Hard panel gasket construction
- Factory bolt hole pattern
- Single gasket
Whats Included
- Exhaust header gasket only
Frequently Asked Questions
Do I need to prep or clean the mounting surfaces before installation?
Yes. Scrape the old gasket material and any carbon buildup from both the header flange and cylinder head. A clean, flat surface ensures a tight seal and prevents exhaust leaks.
What fasteners do I use to install this gasket?
This gasket does not include hardware. Use the original header mounting bolts that came with your headers. Refer to your vehicle's service manual for torque specs to avoid over-tightening.
Will this gasket work with aftermarket headers?
Check your header flange bolt pattern first. If it matches factory big block spacing, this gasket will seal. Verify port alignment before committing to installation.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

65-72 Chevrolet Big Block Exhaust Header Gasket
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


