{"product_id":"head-full-gasket-set-cylinder-bolts-for-chevy-silverado-gmc-sierra-5-3l-4-8l","title":"Head Full Gasket Set Cylinder Bolts for Chevy Silverado GMC Sierra 5.3L 4.8L","description":"\u003cstrong\u003eThis Head Full Gasket Set w\/ Cylinder Bolts is a complete top-end sealing kit compatible with Chevy Silverado and GMC Sierra trucks equipped with 5.3L and 4.8L V8 engines.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e This Head Full Gasket Set w\/ Cylinder Bolts delivers all essential upper-engine gaskets and replacement head bolts for GM 4.8L and 5.3L Vortec platforms. Each component is engineered to restore factory sealing, compression, and leak prevention after head gasket failure or during engine service. For Silverado and Sierra owners and technicians, this Head Full Gasket Set w\/ Cylinder Bolts provides a single-box solution without sourcing individual parts. \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eComplete upper gasket kit includes head gaskets, valve cover gaskets, intake and exhaust manifold gaskets, seals, and more\u003c\/li\u003e \u003cli\u003eNew torque-to-yield cylinder head bolts deliver consistent clamp load and match OEM torque specifications\u003c\/li\u003e \u003cli\u003ePrecision-cut gasket profiles guarantee accurate port alignment on 4.8L and 5.3L cylinder heads\u003c\/li\u003e \u003cli\u003eMulti-layer steel and composite construction resists extreme heat, pressure, and chemical breakdown\u003c\/li\u003e \u003cli\u003eDirect-fit design eliminates trimming or modification for a straightforward, time-efficient installation\u003c\/li\u003e \u003cli\u003eRestores cylinder compression and prevents intermix of oil and coolant\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eChevrolet Silverado 4.8L V8\u003c\/li\u003e \u003cli\u003eChevrolet Silverado 5.3L V8\u003c\/li\u003e \u003cli\u003eGMC Sierra 4.8L V8\u003c\/li\u003e \u003cli\u003eGMC Sierra 5.3L V8\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBlown head gasket replacement for Silverado and Sierra trucks\u003c\/li\u003e \u003cli\u003eEngine top-end rebuilds and cylinder head overhauls\u003c\/li\u003e \u003cli\u003eCamshaft, lifter, or valve train upgrades requiring head removal\u003c\/li\u003e \u003cli\u003eRestoring compression on high-mileage 4.8L\/5.3L engines\u003c\/li\u003e \u003cli\u003eProfessional automotive shop service on GM LS-based Vortec V8s\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Displacement Compatibility:\u003c\/strong\u003e 4.8L (294 cu in) and 5.3L (325 cu in)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e GM LS-based Vortec V8\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Cylinders:\u003c\/strong\u003e V8\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e Head gaskets, upper gasket set, and cylinder head bolts\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my head gasket is blown? \u003cstrong\u003eA:\u003c\/strong\u003e Common signs include white exhaust smoke, unexplained coolant loss, milky oil, and persistent overheating. A compression tester or chemical block-test kit confirms the diagnosis.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the cylinder head bolts required for this repair? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, GM 4.8L and 5.3L engines use torque-to-yield head bolts that permanently stretch during installation. Always replace them; this kit includes the correct new bolts.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679705719057,"sku":"ZZ3A01296","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_6a50352a-9053-405a-987f-f9aaec5e82eb.jpg?v=1781653978","url":"https:\/\/www.duraforce.com\/products\/head-full-gasket-set-cylinder-bolts-for-chevy-silverado-gmc-sierra-5-3l-4-8l","provider":"DURAFORCE","version":"1.0","type":"link"}