{"product_id":"01-05-lexus-is300-hds-is300-style-exhaust-header-gasket","title":"01-05 Lexus IS300 HDS-IS300 Style Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e01-05 Lexus IS300 HDS-IS300 Style Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eDirect-fit header gasket engineered for the IS300 exhaust manifold.\u003c\/strong\u003e This gasket seals the critical joint between your header and cylinder head, preventing exhaust leaks that rob power and create noise. Hard panel construction designed to handle sustained heat cycles without degradation.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Direct-from-Warehouse\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-spec fitment\u003c\/strong\u003e - Seats flush at factory mounting points, no shimming or modification needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-resistant construction\u003c\/strong\u003e - Withstands repeated thermal cycles without warping or leaking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle gasket per order\u003c\/strong\u003e - Covers the complete header-to-head seal interface\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eHard panel construction\u003c\/li\u003e\n\u003cli\u003eSingle gasket assembly\u003c\/li\u003e\n\u003cli\u003eFactory fitment orientation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eHeader gasket\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this gasket work with an aftermarket header?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis gasket is cut for OEM header dimensions. If you're running an aftermarket header with different flange thickness or bore spacing, test-fit before installation—you may need to source a matched gasket for that specific manifold.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need new hardware to install this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe gasket itself is the seal—you'll reuse your factory header bolts and studs. Check condition of those fasteners before assembly; if they're stripped or corroded, new bolts are worth the small cost to ensure a tight clamp load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat prep is needed before I install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClean both the header flange and cylinder head mating surface with a wire brush to remove old gasket material and carbon buildup. A clean, flat surface is critical for proper sealing—take time here and you won't fight leaks later.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":54605072761137,"sku":"K2-4569-LEX-006-TSARK","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5727\/5441\/files\/GKTSET-IS300-1.jpg?v=1781492737","url":"https:\/\/acmtechnik.com\/products\/01-05-lexus-is300-hds-is300-style-exhaust-header-gasket","provider":"ACM Technik LLC","version":"1.0","type":"link"}