{"product_id":"btr-camshaft-212-22x-553-553-107-lsa","title":"BTR Camshaft 212\/22X .553\/.553 107 LSA","description":"The BTR Truck Norris camshaft is engineered for 1999-2013 GM Silverado and Sierra trucks equipped with Gen III and Gen IV LS engines. This hydraulic roller camshaft features a 212 intake duration, 22X exhaust duration, .553 intake lift, .553 exhaust lift, and a 107 LSA. Developed through extensive cam lobe design and dyno testing, the Truck Norris camshaft is designed to deliver a significant increase in power and torque across the entire curve, outperforming previous V2 truck cam designs.\n\nIt utilizes a three-bolt cam bolt style and is compatible with Gen III and Gen IV LS engines.\n\nWhile this camshaft is a direct replacement for many GM trucks, it's important to note potential compatibility considerations. Some related kits specify fitment for Gen IV non-VVT or Gen IV VVT 5.3 engines, suggesting that certain engine configurations or the presence of DOD\/AFM systems may require specific conversion kits for optimal integration.","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52687289975096,"sku":"BTR-TRUCKNORRIS","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687891980.webp?v=1784882298","url":"https:\/\/store.motormia.co\/products\/btr-camshaft-212-22x-553-553-107-lsa","provider":"MOTORMIA","version":"1.0","type":"link"}