{"product_id":"chevy-ls3-l92-pro-series-cast-steel-rocker-arms-1-7-ratio-needle-bearing-trunnion","title":"Chevy LS3\/L92 Pro Series Cast Steel Rocker Arms, 1.7 Ratio, Needle Bearing Trunnion","description":"\u003cp\u003e\u003cstrong\u003eChevy LS3\/L92 1.7 Ratio Roller Rocker Arms for Improved Valvetrain Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese 1.7 ratio roller rocker arms are designed for Chevy LS3\/L92 applications, helping improve valve lift, reduce friction, and support more responsive engine performance.\u003c\/p\u003e\n\u003cp\u003eBuilt from cast steel, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds.\u003c\/p\u003e\n\u003cp\u003eThe needle bearing design helps promote smoother rocker motion and more consistent valve control, especially when paired with compatible camshaft, pushrod, and valve spring combinations.\u003c\/p\u003e\n\u003cp\u003eConfigured where applicable, these rocker arms are built for proper fitment and reliable operation. Always verify rocker ratio, stud size, pushrod length, guideplate alignment, and valve spring clearance before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM LS GEN IV RECTANGLE PORT V8 ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (L76)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003eChevrolet Camaro \/ Corvette (LS3 equipped)\u003cbr\u003ePontiac G8 \/ Chevrolet SS (L76\/LS3 equipped)\u003cbr\u003eChevrolet Silverado \/ GMC Sierra \/ Tahoe \/ Yukon (L92 equipped)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003eDesigned for LS3\/L92-style rectangle port LS applications.\u003cbr\u003eNot intended for LS1\/LS2\/LS6 cathedral port cylinder heads unless specifically listed.\u003cbr\u003eVerify rocker mounting style, rocker ratio, pushrod length, valve spring clearance, and valve cover clearance before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS:\u003c\/strong\u003e\u003cbr\u003eGrade Type: Performance\u003cbr\u003eMaterial: Cast Steel\u003cbr\u003eMaximum RPM: 7,000\u003cbr\u003eMounting Type: Pedestal\u003cbr\u003eOpen Pressure Rating: 500 lbs.\u003cbr\u003eQuantity: 16\u003cbr\u003eRocker Arm Body Style: Standard\u003cbr\u003eRocker Arm Finish: Natural\u003cbr\u003eRocker Arm Material: Cast Steel\u003cbr\u003eRocker Arm Ratio: 1.7\u003cbr\u003eRocker Arm Type: Roller Fulcrum\u003cbr\u003eSelf Aligning: No\u003cbr\u003eShims Included: No\u003cbr\u003eStud Thread Diameter: 3\/8 in.\u003cbr\u003eTrunnion Style: Bronze Bushing\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49797358715176,"sku":"60971","price":264.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/60971_01.jpg?v=1738863143","url":"https:\/\/www.topstreetperformance.com\/products\/chevy-ls3-l92-pro-series-cast-steel-rocker-arms-1-7-ratio-needle-bearing-trunnion","provider":"Top Street Performance","version":"1.0","type":"link"}