99-04 Ford Mustang 3.8L 3.9L V6 Exhaust Header Gasket
Specifications Part numbers, fitment codes and shipping
- Brand
- K2 Industries
- Speedzone SKU
- K2-4543-FORD-006-TSARK
- Manufacturer part number
- K2-4543-FORD-006-TSARK
- UPC
- GKTSET-FM01-SHORTY
- Category
- Tool Sets and Repair Kits
- Shipping weight
- 2.0 lb
99-04 Ford Mustang 3.8L 3.9L V6 Exhaust Header Gasket
Factory-style gasket seals the junction between your V6 header and cylinder head. Stops exhaust leaks before they rob power and create noise. One gasket per application—critical wear item that should be replaced whenever headers come off.
Key Features
- OEM-spec gasket - Maintains factory seal integrity without modification or workarounds
- Single gasket per set - Covers one header-to-head interface; account for dual headers if applicable
- Designed for V6 application - Engineered for 3.8L and 3.9L displacement
Specs
- Application: Ford V6 gasket, header mounting interface
- Quantity: 1 gasket
- Condition: New
Whats Included
- 1x Exhaust Header Gasket
Frequently Asked Questions
Do I need new hardware when installing this gasket?
Hardware is not included with this gasket. Reuse your factory header bolts if they're in good condition; replace them if stripped or corroded. Most installs don't require new fasteners, but inspect yours before assembly.
Can I reuse my old gasket?
No. Header gaskets compress under heat and lose their seal after removal. Install fresh every time you pull the header—the cost of a new gasket is cheap insurance against leaks.
Do I need to prep or prime this gasket before install?
Gaskets ship ready to install. Clean both the header and cylinder head mating surfaces with a gasket scraper before seating the new gasket—remove all old material and dirt to ensure a tight seal.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
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Answers to common questions are on our FAQ page.
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