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| Management number | 215274736 | Release Date | 2026/04/12 | List Price | US$13.20 | Model Number | 215274736 | ||
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The Michigan Motorsports Gen 3 LS Valley Cover Gasket is a direct-fit replacement gasket for 1997–2007 GM Gen III LS engines, offering long-lasting reliability and OEM-quality sealing. Designed to replace GM part number 12558178, this gasket features a molded rubber construction with a precision bead that conforms to the engine valley cover and block surface, ensuring leak prevention and consistent oil sealing. Perfect for use during camshaft installations, valley cover upgrades, or engine reseals, this gasket fits a wide range of Gen 3 LS engines found in cars, trucks, and SUV platforms. It’s an essential part of any LS rebuild, maintenance project, or swap.
| Color | Natural |
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| Brand Name | Michigan Motorsports |
| Manufacturer | Michigan Motorsports |
| Material Type | Aluminum |
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