90-96 Honda Accord Prelude H23A1 Exhaust Header Gasket
90-96 Honda Accord Prelude H23A1 Exhaust Header Gasket
Seal your H23A1 header joint without the guesswork—this gasket handles high-temp exhaust pressure where factory seals fail. Built for the demanding combustion cycle, it prevents exhaust leaks that kill performance and create noise. Direct fit, ready to install.
Key Features
- Combustion-rated construction - Resists thermal cycling and prevents blowby that compromises header performance
- H23A1 specific design - Engineered for your exact engine's port geometry and bolt pattern
- One-time use seal - Replace on every header removal to maintain reliable compression
Specs
- Hard panel construction
- Single unit
What's Included
- Exhaust header gasket
Frequently Asked Questions
Do I need to replace this every time I pull my header?
Yes. Header gaskets compress under heat and lose sealing ability once disturbed. A fresh gasket each time is the only way to guarantee no exhaust leaks.
Can I reuse the old bolts when I reinstall?
Check your service manual for bolt torque specs and whether they're stretch bolts. If they are, new bolts are the safer call. Hand-tight first, then torque in a star pattern to avoid warping.
Do I need to clean the header surface before installing this?
Yes. Scrape off old gasket material and carbon buildup from both the header and cylinder head. A clean, flat surface is critical for a proper seal—don't skip this step.
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
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