01-05 Lexus IS250 Aluminum Exhaust Header Gasket
01-05 Lexus IS250 Aluminum Exhaust Header Gasket
Aluminum header gasket engineered for the IS250's factory exhaust manifold. Built to seal under high heat and pressure without blowout, this gasket handles repeated thermal cycles without degradation. Direct fit—no modification required.
Key Features
- Aluminum construction - Resists warping under sustained exhaust heat and maintains seal integrity across engine cycles
- Factory port alignment - Bolts directly to OEM manifold mounting points with zero modification
- Single gasket per order - Covers one header-to-manifold interface
Specs
- Material: Aluminum
- Configuration: Single gasket
- Condition: New
Whats Included
- One aluminum exhaust header gasket
Frequently Asked Questions
Do I need to replace the bolts or use thread sealant when installing this?
The gasket alone handles the seal—use your factory bolts torqued to spec. Thread sealant is not required, but you can apply it if running a modified boost setup for extra security.
Can I reuse the old header bolts, or should I buy new ones?
Reuse is fine if bolts are clean and threads are intact. If you've spun the fasteners during removal or they show corrosion, grab new hardware—cheap insurance against a leak down the road.
What prep do I need before installation?
Clean both mating surfaces with a wire brush or gasket scraper to remove old material and carbon buildup. Surfaces don't need to be perfect, but they should be dry and free of loose debris.
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
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