{"product_id":"ls1-rocker-arms-with-upgraded-trunion-installed-4-8-5-3-5-7-6-0-rocker-trunnion","title":"LS1 Rocker Arms with Upgraded Trunion Installed 4.8 5.3 5.7 6.0 Rocker Trunnion","description":"\u003ch2\u003eLS1 Rocker Arms with Reinforced Trunion Installed for Chevrolet\u003c\/h2\u003e\u003cp\u003eThese LS1 rocker arms with reinforced trunion installed for Chevrolet replace standard factory rocker assemblies to prevent needle bearing failure in high-performance LS engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese LS1 rocker arms with reinforced trunion installed for Chevrolet feature durable retrofitted trunnion bearings. The LS1 rocker arms with reinforced trunion installed for Chevrolet eliminate the risk of factory needle bearings spilling into the oil pan. They are designed for hot rod builders and performance enthusiasts pushing their LS-based builds to higher engine speeds.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFitted with heavy-duty trunnion kits featuring micro-polished cage bearings and hardened shafts.\u003c\/li\u003e\n\u003cli\u003eSaves installation time by arriving fully assembled and ready to bolt onto the cylinder head.\u003c\/li\u003e\n\u003cli\u003eSecured with premium retaining snap rings to ensure bearing stability under high lift.\u003c\/li\u003e\n\u003cli\u003eOriginal rocker bodies are cleaned and thoroughly inspected for structural integrity before assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Chevrolet 4.8L Engine\u003c\/li\u003e\n\u003cli\u003efor Chevrolet 5.3L Engine\u003c\/li\u003e\n\u003cli\u003efor Chevrolet 5.7L Engine\u003c\/li\u003e\n\u003cli\u003efor Chevrolet 6.0L Engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCompleting a performance camshaft swap where high valve lift requires stronger rocker bearings.\u003c\/li\u003e\n\u003cli\u003eBuilding a reliable street or strip engine by eliminating potential valvetrain failure points.\u003c\/li\u003e\n\u003cli\u003eServicing high-mileage cylinder heads during a complete engine rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAssembled Rocker Arms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLS-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrunnion Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReinforced Retrofit Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Why is the trunnion reinforcement necessary on stock LS rocker arms? \u003cstrong\u003eA:\u003c\/strong\u003e Factory rocker arms use a stamped sheet metal retainer that can fail at high RPM, allowing needle bearings to escape.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these rocker arms direct bolt-on replacements for stock LS motors? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, they mount directly to the factory rocker pedestals using standard LS valvetrain mounting bolts.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44787991773270,"sku":"ZZ2X00120","price":39.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_2cd9d926-52ee-40a9-89f8-0e1b55b0bbc0.jpg?v=1779892953","url":"https:\/\/www.solidspare.com\/products\/ls1-rocker-arms-with-upgraded-trunion-installed-4-8-5-3-5-7-6-0-rocker-trunnion","provider":"Solid Spare","version":"1.0","type":"link"}