{"product_id":"long-tube-headers-for-ls-swaps-black-aluminized-thermal-barrier-coating-with-mls-gaskets-header-bolts-fits-73-87-chevy-gmc-c10-k10-and-88-91-square-body-blazer-jimmy-suburban-not-obs-size-black-new-design-c10-k10-ls-swap-headers-1","title":"Long Tube Headers for LS Swaps Black Aluminized Thermal Barrier Coating with MLS Gaskets \u0026 Header Bolts Fits 73–87 Chevy GMC C10 K10 and 88–91 Square-Body Blazer Jimmy Suburban (Not OBS) - size: Black New Design C10 K10 LS Swap Headers","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete Upgrade Kit – Includes multi-layer steel (MLS) gaskets and header bolts for a superior seal, reduced leaks, and faster installation compared to standard fiber gasket kits.\u003c\/li\u003e\n\u003cli\u003eProven Fitment – Designed for LS swap applications in 1973–1987 Chevy\/GMC C\/K10–30 2WD \u0026amp; 4WD pickups and 1988–1991 square-body C3500\/K3500, Blazer, Jimmy, and Suburban models. (Not for 1988–1998 OBS\/GMT400 or 2014+ Gen-V LT engines.)\u003c\/li\u003e\n\u003cli\u003eHigh-Performance Flow Design – Long-tube configuration with 1-3\/4” mandrel-bent primaries and 3” merge collectors increases exhaust scavenging, torque, and horsepower across the powerband.\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Construction – Built from thick-wall steel tubing with CNC-machined 3\/8” flanges and precision TIG-welded joints to prevent warping, leaks, and early failure.\u003c\/li\u003e\n\u003cli\u003eThermal Barrier Coating – Black aluminized finish resists corrosion and acts as a true heat shield, lowering under-hood temperatures while providing a clean, stealth appearance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":50502387237104,"sku":"B0FMF6FP61-size-black-new-design-c10-k10-ls-swap-headers","price":531.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/41d8mhM66uL_c457a59a-f7c1-4d5d-8139-3d9eb1d148f0.jpg?v=1789909147","url":"https:\/\/wrenchvanta.com\/products\/long-tube-headers-for-ls-swaps-black-aluminized-thermal-barrier-coating-with-mls-gaskets-header-bolts-fits-73-87-chevy-gmc-c10-k10-and-88-91-square-body-blazer-jimmy-suburban-not-obs-size-black-new-design-c10-k10-ls-swap-headers-1","provider":"WrenchVanta","version":"1.0","type":"link"}