{"product_id":"btrbtr-pdsstage4","title":"Brian Tooley Racing PDS Stage 4 Camshaft – BTRBTR-PDSSTAGE4","description":"\u003cp data-start=\"454\" data-end=\"566\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"32\"\u003eBTR PDS Stage 4 Camshaft\u003c\/strong\u003e (BTRBTR-PDSSTAGE4) is engineered for high-performance applications in GM LSA and LS9 engines, including models like the Camaro ZL1 and Corvette ZR1.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThis camshaft offers significant power gains while maintaining excellent streetability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"568\" data-end=\"585\" class=\"\"\u003e\u003cstrong data-start=\"568\" data-end=\"585\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"587\" data-end=\"1225\"\u003e\n\u003cli data-start=\"587\" data-end=\"652\" class=\"\"\u003e\n\u003cp data-start=\"589\" data-end=\"652\" class=\"\"\u003e\u003cstrong data-start=\"589\" data-end=\"614\"\u003eEngine Compatibility:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eGM LSA and LS9 engines (Camaros, Corvettes)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"653\" data-end=\"708\" class=\"\"\u003e\n\u003cp data-start=\"655\" data-end=\"708\" class=\"\"\u003e\u003cstrong data-start=\"655\" data-end=\"668\"\u003eCam Type:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eHydraulic roller\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"709\" data-end=\"772\" class=\"\"\u003e\n\u003cp data-start=\"711\" data-end=\"772\" class=\"\"\u003e\u003cstrong data-start=\"711\" data-end=\"732\"\u003eDuration @ .050\":\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e229° intake \/ 25X° exhaust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"773\" data-end=\"824\" class=\"\"\u003e\n\u003cp data-start=\"775\" data-end=\"824\" class=\"\"\u003e\u003cstrong data-start=\"775\" data-end=\"784\"\u003eLift:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e0.636\" intake \/ 0.636\" exhaust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"825\" data-end=\"858\" class=\"\"\u003e\n\u003cp data-start=\"827\" data-end=\"858\" class=\"\"\u003e\u003cstrong data-start=\"827\" data-end=\"853\"\u003eLobe Separation Angle:\u003c\/strong\u003e 116°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"859\" data-end=\"926\" class=\"\"\u003e\n\u003cp data-start=\"861\" data-end=\"926\" class=\"\"\u003e\u003cstrong data-start=\"861\" data-end=\"886\"\u003eIdle Characteristics:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eUltra-aggressive idle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"985\" class=\"\"\u003e\n\u003cp data-start=\"929\" data-end=\"985\" class=\"\"\u003e\u003cstrong data-start=\"929\" data-end=\"945\"\u003ePower Gains:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDesigned for high RPM applications with significant power increases\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"986\" data-end=\"1049\" class=\"\"\u003e\n\u003cp data-start=\"988\" data-end=\"1049\" class=\"\"\u003e\u003cstrong data-start=\"988\" data-end=\"1009\"\u003eTorque Converter:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eAftermarket converter recommended\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1050\" data-end=\"1122\" class=\"\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1122\" class=\"\"\u003e\u003cstrong data-start=\"1052\" data-end=\"1082\"\u003eValve Spring Requirements:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eRequires .660\" lift dual valve springs with titanium retainers and hardened pushrods\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1123\" data-end=\"1225\" class=\"\"\u003e\n\u003cp data-start=\"1125\" data-end=\"1225\" class=\"\"\u003e\u003cstrong data-start=\"1125\" data-end=\"1146\"\u003eCam Bolt Pattern:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e3-bolt\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1227\" data-end=\"1305\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThis camshaft is developed using BTR's in-house lobe designs, Spintron, and engine dyno testing to achieve optimal power curves while maintaining valvetrain stability and durability.\u003c\/span\u003e\u003c\/p\u003e","brand":"BRIAN TOOLEY RACING","offers":[{"title":"Default Title","offer_id":50500619370772,"sku":"BTRBTR-PDSSTAGE4","price":409.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/6780\/3577\/files\/BTRBTR-PDSSTAGE4.jpg?v=1747342460","url":"https:\/\/virtualspeedperformance.com\/products\/btrbtr-pdsstage4","provider":"Virtual Speed Performance","version":"1.0","type":"link"}