{"product_id":"throttle-body-spacer-for-chevrolet-avalanche-2010-2013-5-3l","title":"Throttle Body Spacer for Chevrolet Avalanche (2010-2013) 5.3L","description":"\u003ch2\u003eBillet Aluminum Throttle Body Spacer for 2010-2013 Chevrolet Avalanche\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Increases intake plenum volume and stabilizes incoming charge air between the throttle body and intake manifold to improve off-idle throttle response and low-rpm torque.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Avalanche Intake Plenum Restriction\u003c\/h3\u003e\n\u003cp\u003eThe OEM intake architecture on the GMT900 platform generates turbulent boundary-layer separation directly behind the factory throttle blade during sudden pedal transitions. This disrupted transition into the composite manifold diminishes charge air velocity at lower RPMs, contributing to a sluggish off-idle response and delayed torque delivery—a distinct liability when pulling heavy trailers or navigating steep grades.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eCNC-machined from solid 6061-T6 billet aluminum, this spacer lengthens the intake runner path to optimize incoming air velocity. The helical-bore interior profile organizes turbulent intake pulses, promoting laminar airflow and better fuel-air distribution across all eight cylinders before entering the cylinder head ports. The anodized protective coating resists engine bay heat soak and galvanic corrosion, while supplied high-grade gaskets maintain a positive seal against intake vacuum leaks under high-load cycling.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2010-2013 Chevrolet Avalanche\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5.3L Vortec Gen IV (LMG \/ LC9) \/ GMT900\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e320 hp \/ 335 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2010-2013 Chevrolet Avalanche (LS, LT, LTZ trims equipped with 5.3L V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Chevrolet Towing Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle sustained high-load towing and severe-duty hauling, this bolt-on hardware mod restores low-rpm tractability without triggering diagnostic trouble codes or requiring an ECU recalibration.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50498883551480,"sku":"DS-EIBG57YM3","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/throttle-body-spacer-for-chevrolet-avalanche-2010-2013-5-3l-1.jpg?v=1789274646","url":"https:\/\/performancechiptuning.com\/fr\/products\/throttle-body-spacer-for-chevrolet-avalanche-2010-2013-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}