{"product_id":"performance-engine-rebuild-re-ring-kit-for-chevrolet-avalanche-2002-2013-5-3l","title":"Performance Engine Rebuild Re-Ring Kit for Chevrolet Avalanche (2002-2013) 5.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003ePrecision Engine Rebuild Re-Ring Kit for 2002-2013 Chevrolet Avalanche (GMT800 \/ GMT900)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Engine Rebuild Re-Ring Kit restores combustion chamber compression, eliminates oil consumption past the ring pack, and renews critical journal clearances on 2002-2013 Chevrolet Avalanche 5.3L V8 engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Avalanche Ring Land and Bearing Degradation\u003c\/h3\u003e\n\u003cp\u003eHigh-mileage \u003cstrong\u003eVortec 5300\u003c\/strong\u003e platforms frequently suffer from severe blow-by, carbon-fouled low-tension oil control rings, and accelerated rod and main bearing scuffing. Thermal cycling compromises factory composite gaskets, leading to external oil seepage at the rear cover and valley plate, while pressurized coolant migration past degraded cylinder head sealing risks catastrophic hydro-lock and crankcase oil contamination.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis master overhaul kit features high-tensile ductile iron compression rings and stainless steel oil rings precision-machined to combat cylinder taper and maintain ring seal under heavy towing loads. High-durability bi-metal or tri-metal rod and main bearing shells restore proper hydrodynamic oil wedge clearances to arrest crankshaft journal galling. Premium \u003cstrong\u003eMulti-Layer Steel (MLS)\u003c\/strong\u003e head gaskets provide superior bore clamping force and heat dissipation compared to stock graphite composites, preventing combustion gas blowouts under elevated cylinder pressures.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Gen III Valley Cover Gasket (\u003cstrong\u003e12558178\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e2 LS1\/LS2\/LS3 Header Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 LS Oil Pan Gasket\u003c\/li\u003e\n  \u003cli\u003e2 LS Water Pump Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 LS Front Timing Cover Gasket\u003c\/li\u003e\n  \u003cli\u003e2 LS Valve Cover Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 LS Harmonic Damper Front Seal\u003c\/li\u003e\n  \u003cli\u003e1 LS Rear Cover Gasket\u003c\/li\u003e\n  \u003cli\u003e1 Rear Main Crankshaft Seal\u003c\/li\u003e\n  \u003cli\u003e4 Water Crossover \/ Block-Off Gaskets (\u003cstrong\u003e12551933\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e1 Oil Filter Adapter Bypass Gasket (\u003cstrong\u003e12611384\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e2 Knock Sensor Grommets (\u003cstrong\u003e12558177\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e2 Multi-Layer Steel (MLS) Head Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 Cylinder Head \/ Fastener Bolt Kit\u003c\/li\u003e\n  \u003cli\u003e1 Complete Engine Piston Rings Set\u003c\/li\u003e\n  \u003cli\u003e1 Main Bearings and Connecting Rod Bearings Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100 style=\" border-collapse: collapse border: solid font-size: min-width:\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2002-2013 Chevrolet Avalanche\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eVortec 5.3L (Gen III\/IV LS) \/ GMT800 \u0026amp; GMT900\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e285-320 hp \/ 325-335 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e12558178, BTR73450, 12617944, 12612350, 12630223, 12633904, 12637683, 12585673, 12639249, 89060436, 12551933, 12611384, 12558177, 12622033, MS2199, CB-663, E-937K, 2M4978\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2002-2006 Chevrolet Avalanche 1500 5.3L V8 (GMT800)\u003c\/li\u003e\n  \u003cli\u003e2007-2013 Chevrolet Avalanche 5.3L V8 (GMT900)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT800 and GMT900 Avalanche?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2002-2013 Chevrolet Avalanche equipped with the \u003cstrong\u003eVortec 5.3L\u003c\/strong\u003e engine. \u003cstrong\u003eNote: This kit does NOT fit 6.0L applications, and intake manifold gaskets are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eWhat bore diameter are the supplied piston rings engineered for?\u003c\/h4\u003e\n\u003cp\u003eThe piston rings are sized for standard 3.780-inch (96.01 mm) 4.8L and 5.3L cylinder bores and must not be installed on 4.00-inch or larger 6.0L engine blocks.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle rigorous duty cycles, steep grades, and heavy payload demands, this overhaul setup provides commercial-grade sealing and bottom-end integrity necessary to maximize the operational lifespan and towing performance of your Chevrolet truck.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551518654712,"sku":"DS-ENWH510K8","price":188.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-engine-rebuild-re-ring-kit-for-chevrolet-avalanche-2002-2013-5-3l-1.jpg?v=1790797937","url":"https:\/\/performancechiptuning.com\/de\/products\/performance-engine-rebuild-re-ring-kit-for-chevrolet-avalanche-2002-2013-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}