{"product_id":"btr-truck-norris-nsr-camshaft-gm-ls-series-truck-trucknorrisnsr","title":"BTR Truck Norris NSR Camshaft | GM LS-Series Truck, No Springs Required | TRUCKNORRISNSR","description":"\u003cp\u003eThe Truck Norris NSR (No Springs Required) is our Truck Norris cam tuned to run on factory valve springs, giving GM LS-series (Gen III\/IV) truck owners a straightforward power upgrade without the added cost of a spring kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: TRUCKNORRISNSR\u003c\/li\u003e\n\u003cli\u003eApplication: GM LS-series truck (Gen III\/IV)\u003c\/li\u003e\n\u003cli\u003eCamshaft style: Hydraulic roller\u003c\/li\u003e\n\u003cli\u003eLift (int\/exh): 0.498 in \/ 0.498 in\u003c\/li\u003e\n\u003cli\u003eIntake duration: 210\u003c\/li\u003e\n\u003cli\u003eLobe separation angle (LSA): 107\u003c\/li\u003e\n\u003cli\u003eRPM range: 1800-7100\u003c\/li\u003e\n\u003cli\u003eSold: Each\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does the BTR Truck Norris NSR cam fit?\u003c\/h5\u003e\u003cp\u003eGM LS-series (Gen III\/IV) trucks.\u003c\/p\u003e\u003ch5\u003eDo I need new valve springs for this cam?\u003c\/h5\u003e\u003cp\u003eNo, it's designed to run on factory valve springs (No Springs Required).\u003c\/p\u003e\u003ch5\u003eHow does it compare to the standard Truck Norris?\u003c\/h5\u003e\u003cp\u003eIt uses slightly less lift and duration (0.498 in vs 0.552 in, 210 vs 212 duration) so it can run on stock springs.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the BTR Truck Norris NSR cam fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"GM LS-series (Gen III\/IV) trucks.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need new valve springs for this cam?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, it's designed to run on factory valve springs (No Springs Required).\"}}, {\"@type\": \"Question\", \"name\": \"How does it compare to the standard Truck Norris?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It uses slightly less lift and duration (0.498 in vs 0.552 in, 210 vs 212 duration) so it can run on stock springs.\"}}]}\u003c\/script\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":42038299033648,"sku":"GNBP_TRUCKNORRISNSR","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/BTRTRUCKNORRISNSR.jpg?v=1747497762","url":"https:\/\/berryperformancesales.com\/products\/btr-truck-norris-nsr-camshaft-gm-ls-series-truck-trucknorrisnsr","provider":"Berry Performance Sales","version":"1.0","type":"link"}