{"product_id":"btrtrucknorrisnsr","title":"Brian Tooley Racing Truck Norris NSR Camshaft – BTRTRUCKNORRISNSR","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\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=\"37\"\u003eBTR Truck Norris NSR Camshaft\u003c\/strong\u003e is a No Springs Required (NSR) version of the legendary Truck Norris camshaft.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDesigned for Gen III and Gen IV LS truck engines, this camshaft offers impressive performance gains while allowing the use of factory valve springs, provided they are in good condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cmeta charset=\"utf-8\"\u003eDeveloped through extensive in-house cam lobe design and dyno testing, the Truck Norris NSR camshaft delivers increased power and torque across the entire RPM range compared to previous BTR truck cams. It's an ideal choice for enthusiasts seeking a performance upgrade without the need for additional valvetrain modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"513\" data-end=\"537\" class=\"\"\u003e\u003cstrong data-start=\"517\" data-end=\"535\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"538\" data-end=\"967\"\u003e\n\u003cli data-start=\"538\" data-end=\"577\" class=\"\"\u003e\n\u003cp data-start=\"540\" data-end=\"577\" class=\"\"\u003e\u003cstrong data-start=\"540\" data-end=\"569\"\u003eIntake Duration (@ .050\")\u003c\/strong\u003e: 212°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"578\" data-end=\"618\" class=\"\"\u003e\n\u003cp data-start=\"580\" data-end=\"618\" class=\"\"\u003e\u003cstrong data-start=\"580\" data-end=\"610\"\u003eExhaust Duration (@ .050\")\u003c\/strong\u003e: 22X°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"619\" data-end=\"695\" class=\"\"\u003e\n\u003cp data-start=\"621\" data-end=\"695\" class=\"\"\u003e\u003cstrong data-start=\"621\" data-end=\"652\"\u003eValve Lift (Intake\/Exhaust)\u003c\/strong\u003e: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e.498\"\/.498\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"696\" data-end=\"737\" class=\"\"\u003e\n\u003cp data-start=\"698\" data-end=\"737\" class=\"\"\u003e\u003cstrong data-start=\"698\" data-end=\"729\"\u003eLobe Separation Angle (LSA)\u003c\/strong\u003e: 107°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"800\" class=\"\"\u003e\n\u003cp data-start=\"740\" data-end=\"800\" class=\"\"\u003e\u003cstrong data-start=\"740\" data-end=\"757\"\u003eCamshaft 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=\"801\" data-end=\"865\" class=\"\"\u003e\n\u003cp data-start=\"803\" data-end=\"865\" class=\"\"\u003e\u003cstrong data-start=\"803\" data-end=\"822\"\u003eOperating Range\u003c\/strong\u003e: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e4000–7000 RPM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"866\" data-end=\"967\" class=\"\"\u003e\n\u003cp data-start=\"868\" data-end=\"967\" class=\"\"\u003e\u003cstrong data-start=\"868\" data-end=\"887\"\u003eGear Attachment\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\u003ch3 data-start=\"974\" data-end=\"1004\" class=\"\"\u003e\u003cstrong data-start=\"978\" data-end=\"1002\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1005\" data-end=\"1046\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCompatible with the following GM LS-based engines:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"1047\" data-end=\"1128\"\u003e\n\u003cli data-start=\"1047\" data-end=\"1055\" class=\"\"\u003e\n\u003cp data-start=\"1049\" data-end=\"1055\" class=\"\"\u003e4.8L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1056\" data-end=\"1064\" class=\"\"\u003e\n\u003cp data-start=\"1058\" data-end=\"1064\" class=\"\"\u003e5.3L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1065\" data-end=\"1073\" class=\"\"\u003e\n\u003cp data-start=\"1067\" data-end=\"1073\" class=\"\"\u003e5.7L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1074\" data-end=\"1082\" class=\"\"\u003e\n\u003cp data-start=\"1076\" data-end=\"1082\" class=\"\"\u003e6.0L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1128\" class=\"\"\u003e\n\u003cp data-start=\"1085\" data-end=\"1128\" class=\"\"\u003e6.2L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1130\" data-end=\"1208\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFits Gen III and Gen IV LS truck engines, including models like the Silverado, Sierra, and other GM trucks from 1999 to 2013.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1215\" data-end=\"1243\" class=\"\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1241\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1244\" data-end=\"1573\"\u003e\n\u003cli data-start=\"1244\" data-end=\"1383\" class=\"\"\u003e\n\u003cp data-start=\"1246\" data-end=\"1383\" class=\"\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1263\"\u003eValve Springs\u003c\/strong\u003e: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eWhile this camshaft is designed to work with factory valve springs, it's crucial to ensure they are in good condition and provide adequate spring pressure.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIf there's any doubt about the condition of your existing springs, it's recommended to replace them to prevent potential engine damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1385\" data-end=\"1477\" class=\"\"\u003e\n\u003cp data-start=\"1387\" data-end=\"1477\" class=\"\"\u003e\u003cstrong data-start=\"1387\" data-end=\"1397\"\u003eTuning\u003c\/strong\u003e: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCustom engine tuning is necessary to achieve optimal performance and drivability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1479\" data-end=\"1573\" class=\"\"\u003e\n\u003cp data-start=\"1481\" data-end=\"1573\" class=\"\"\u003e\u003cstrong data-start=\"1481\" data-end=\"1493\"\u003eCam Gear\u003c\/strong\u003e: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFor Gen IV engines with a single-bolt cam gear, conversion to a 3-bolt cam gear is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1580\" data-end=\"1631\" class=\"\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1629\"\u003eWhy Choose the Truck Norris NSR Camshaft?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1632\" data-end=\"1844\"\u003e\n\u003cli data-start=\"1632\" data-end=\"1675\" class=\"\"\u003e\n\u003cp data-start=\"1634\" data-end=\"1675\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDelivers impressive performance gains without the need for valve spring upgrades\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1676\" data-end=\"1719\" class=\"\"\u003e\n\u003cp data-start=\"1678\" data-end=\"1719\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eRetains the aggressive \"choppy\" idle characteristic of the original Truck Norris cam\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1720\" data-end=\"1763\" class=\"\"\u003e\n\u003cp data-start=\"1722\" data-end=\"1763\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIdeal for enthusiasts seeking a cost-effective performance upgrade\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1764\" data-end=\"1844\" class=\"\"\u003e\n\u003cp data-start=\"1766\" data-end=\"1844\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDeveloped through extensive testing to ensure reliability and performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BRIAN TOOLEY RACING","offers":[{"title":"Default Title","offer_id":50500624875796,"sku":"BTRTRUCKNORRISNSR","price":409.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/6780\/3577\/files\/BTRTRUCKNORRISNSR.jpg?v=1747342516","url":"https:\/\/virtualspeedperformance.com\/products\/btrtrucknorrisnsr","provider":"Virtual Speed Performance","version":"1.0","type":"link"}