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FTI Performance TH400 Complete Gasket & Seal Kit – Overhaul Kit
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$42.99
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FTI Performance TH400 Complete Gasket & Seal Kit
If you’re rebuilding a TH400, skipping seals is how you end up doing the job twice.
This FTI Performance complete gasket and seal kit is designed for full TH400 transmission overhauls, providing all the essential components needed to ensure proper sealing, fluid control, and pressure integrity.
Whether you’re freshening up a transmission or doing a full build, this kit gives you the confidence that everything seals the way it should.
What’s Included
- Full gasket set
- Complete seal set
- Components required for a proper transmission overhaul
Everything needed to reseal your TH400 during a rebuild—no piecing together mismatched parts.
Key Features
- Genuine FTI Performance components
- Fits GM TH400 transmissions
- Complete overhaul kit for rebuild applications
- Composite materials for durability and sealing performance
- Designed for performance and racing use
Why It Matters
Seals and gaskets control:
- Fluid pressure
- Internal lubrication
- Leak prevention
If they fail:
- Pressure drops
- Performance suffers
- And your rebuild doesn’t last
This kit helps ensure your transmission stays sealed, consistent, and reliable.
Ideal Applications
- TH400 transmission rebuilds
- Drag racing setups
- Street/strip performance vehicles
- Preventative maintenance and refresh builds
⚠️ Important Notes
- Designed for TH400 transmissions only
- Intended for performance and rebuild applications
- Verify compatibility with your setup