{"product_id":"tsp-1999-2013-gm-4-8l-5-3l-ls-chopacabra-camshaft-package","title":"TSP 1999-2013 GM 4.8L\/5.3L LS Chopacabra Camshaft Package","description":"\u003cp\u003eThe Texas Speed Chopacabra camshaft package for cathedral-port GM 4.8L and 5.3L truck engines. This single-purpose package is built for customers who want the signature aggressive Chopacabra idle without working through a larger camshaft selector.\u003c\/p\u003e\u003ch3\u003eCamshaft Profile\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e214\/222 duration at .050 inch\u003c\/li\u003e\n\u003cli\u003e.550\/.550-inch valve lift\u003c\/li\u003e\n\u003cli\u003e108-degree lobe separation angle\u003c\/li\u003e\n\u003cli\u003e106-degree intake centerline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Includes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTSP 4.8L\/5.3L CHOPacabra camshaft\u003c\/li\u003e\n\u003cli\u003ePAC-2568 .550-inch lift valve springs, set of 16\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eValvetrain note:\u003c\/strong\u003e Factory retainers, locks, spring seats, seals and pushrods may be reusable depending on condition and application. Pushrod length and installed height must be measured during assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDOD\/AFM note:\u003c\/strong\u003e Factory-DOD Gen IV 5.3L engines require the \u003ca href=\"\/products\/tsp-2007-2013-gen-iv-5-3l-complete-dod-afm-delete-kit-no-camshaft\"\u003eTSP Gen IV 5.3L Complete DOD\/AFM Delete Kit\u003c\/a\u003e. The 4.8L does not use this delete kit, and non-DOD 5.3L engines do not require the conversion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVVT note:\u003c\/strong\u003e VVT-equipped applications require the \u003ca href=\"\/products\/tsp-gen-4-ls-vvt-delete-kit\"\u003eTSP Gen 4 LS VVT Delete Kit\u003c\/a\u003e when using this fixed-timing camshaft.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation note:\u003c\/strong\u003e Verify cylinder-head port style, piston-to-valve clearance, pushrod length and timing-set compatibility before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTuning required:\u003c\/strong\u003e Professional calibration is mandatory after installation. No tune, tuning device, credits or remote tuning support is included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e GM trucks and SUVs equipped with cathedral-port 4.8L or 5.3L LS engines. Not intended for rectangular-port or Gen 5 LT engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLocal installation:\u003c\/strong\u003e North Texas High Performance can provide separately quoted installation and tuning for local customers.\u003c\/p\u003e","brand":"Texas Speed \u0026 Performance","offers":[{"title":"Camshaft and Springs","offer_id":54732124389695,"sku":"TSP-CHOPACABRA-48-53-KIT","price":498.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/tsp-low-lift-cathedral-cam-package.jpg?v=1785245823","url":"https:\/\/smgspeed.com\/products\/tsp-1999-2013-gm-4-8l-5-3l-ls-chopacabra-camshaft-package","provider":"SMGspeed","version":"1.0","type":"link"}