{"product_id":"ls1-ls2-ls6-pro-series-2024-aluminum-1-8-ratio-needle-bearing-roller-rocker-arms","title":"LS1\/LS2\/LS6 Pro Series 2024 Aluminum 1.8 Ratio Needle Bearing Roller Rocker Arms","description":"\u003cp\u003e\u003cstrong\u003eChevy LS1\/LS2\/LS6 1.8 Ratio Roller Rocker Arms for Improved Valvetrain Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese 1.8 ratio roller rocker arms are designed for Chevy LS1\/LS2\/LS6 applications, helping improve valve lift, reduce friction, and support more responsive engine performance.\u003c\/p\u003e\n\u003cp\u003eBuilt from 2024 aluminum, 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 III\/IV CATHEDRAL PORT V8 ENGINES\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LS2)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003eChevrolet Camaro \/ Corvette (LS1\/LS6 equipped)\u003cbr\u003ePontiac GTO (LS1\/LS2 equipped)\u003cbr\u003eCadillac CTS-V and GM LS swap applications using cathedral port LS heads\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003eDesigned for LS1\/LS2\/LS6-style cathedral port LS applications.\u003cbr\u003eNot intended for LS3\/L92 rectangle 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: 2024 Aluminum\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: Black\u003cbr\u003eRocker Arm Material: 2024 Aluminum\u003cbr\u003eRocker Arm Nut Type: Polylock\u003cbr\u003eRocker Arm Ratio: 1.8\u003cbr\u003eRocker Arm Type: Full Roller\u003cbr\u003eSelf Aligning: No\u003cbr\u003eShims Included: No\u003cbr\u003eTip Style: Needle Bearing\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49562191429928,"sku":"72880","price":286.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/72880_001.jpg?v=1732639944","url":"https:\/\/www.topstreetperformance.com\/products\/ls1-ls2-ls6-pro-series-2024-aluminum-1-8-ratio-needle-bearing-roller-rocker-arms","provider":"Top Street Performance","version":"1.0","type":"link"}