{"product_id":"chevy-gmc-ls-gen-iii-iv-4-8l-5-3l-main-rod-bearings-piston-rings-kit","title":"Chevy GMC LS Gen III IV 4.8L 5.3L Main Rod Bearings \u0026 Piston Rings Kit","description":"\u003cp\u003eThis Chevy GMC LS Gen III IV 4.8L 5.3L Main Rod Bearings \u0026amp; Piston Rings Kit is an engine rebuild component compatible with for Chevy and for GMC vehicles. \u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Chevy GMC LS Gen III IV 4.8L 5.3L Main Rod Bearings \u0026amp; Piston Rings Kit provides the essential internal components needed to refresh or rebuild your engine block. Designed for General Motors LS-based Gen III and Gen IV engines, including popular 4.8L and 5.3L V8 configurations, this kit restores proper engine clearances and cylinder compression. It serves as a comprehensive solution for automotive enthusiasts and technicians looking to replace worn factory components during a performance upgrade or standard engine overhaul.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes a complete set of standard size piston rings to restore cylinder compression\u003c\/li\u003e\n\u003cli\u003eCrankshaft main bearings provide reliable support and reduce friction in the lower block\u003c\/li\u003e\n\u003cli\u003eConnecting rod bearings help maintain critical oil clearances on the crankshaft journals\u003c\/li\u003e\n\u003cli\u003eEngineered specifically to fit the distinct tolerances of GM LS architecture\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor Chevy LS Gen III IV 4.8L engines\u003c\/li\u003e\n\u003cli\u003efor Chevy LS Gen III IV 5.3L engines\u003c\/li\u003e\n\u003cli\u003efor GMC LS Gen III IV 4.8L engines\u003c\/li\u003e\n\u003cli\u003efor GMC LS Gen III IV 5.3L engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRebuilding or refreshing worn factory GM LS internal engine assemblies\u003c\/li\u003e\n\u003cli\u003eReplacing degraded piston rings to correct oil consumption or low cylinder compression\u003c\/li\u003e\n\u003cli\u003eRestoring original lower-end bearing clearance during routine maintenance or performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Main Rod Bearings \u0026amp; Piston Rings Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e for Chevy, for GMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e LS Gen III IV 4.8L, 5.3L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard (STD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Piston Rings, Crankshaft Main Bearings, Connecting Rod Bearings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I verify this kit fits my specific engine configuration? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed strictly for GM LS Gen III and Gen IV 4.8L and 5.3L small-block V8 engines; ensure your engine family matches these specifications before purchasing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What sizes are the bearings and rings included in this package? \u003cstrong\u003eA:\u003c\/strong\u003e This engine rebuild kit is shipped with standard (STD) sizes for the main bearings, rod bearings, and piston rings.\u003c\/p\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e","brand":"Northline Parts","offers":[{"title":"Default Title","offer_id":43043610198087,"sku":"ZZ1Q01629","price":157.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/116712603439-0.jpg?v=1785978921","url":"https:\/\/www.northlineparts.com\/products\/chevy-gmc-ls-gen-iii-iv-4-8l-5-3l-main-rod-bearings-piston-rings-kit","provider":"Northline Parts","version":"1.0","type":"link"}