{"product_id":"hydraulic-roller-camshaft-212-22x-553-553-107-lsa-1","title":"Hydraulic Roller Camshaft 212\/22X .553\/.553 107 LSA","description":"The Brian Tooley Racing Truck Norris camshaft is engineered for Gen III and Gen IV LS GM truck applications, specifically targeting 1999-2013 Silverado and Sierra models. This hydraulic roller camshaft boasts specifications of 212 degrees intake duration and 22X degrees exhaust duration, with a .553 lift on both intake and exhaust valves. The 107 LSA (Linear Seal Gauge) is optimized for a strong mid-range torque curve, delivering a significant power and torque increase across the RPM range compared to previous V2 truck cams. Developed through extensive in-house cam lobe design and dyno testing, the Truck Norris camshaft provides a noticeable improvement in performance and an aggressive idle note. Professional installation is recommended for this camshaft kit.","brand":"Brian Tooley","offers":[{"title":"Default Title","offer_id":52687297085752,"sku":"TRUCKNORRIS-KIT","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687892057.jpg?v=1784882325","url":"https:\/\/store.motormia.co\/products\/hydraulic-roller-camshaft-212-22x-553-553-107-lsa-1","provider":"MOTORMIA","version":"1.0","type":"link"}