{"product_id":"tsp-ls-chopacabra-truck-camshaft-texas-speed-performance-tsp-chopacabra-4-8-5-3-6-0-ls-engines","title":"TSP Chopacabra Cam | 4.8 5.3 6.0 LS Truck (99–17)","description":"\u003cp\u003e\u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e \u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@700;900\u0026amp;family=Barlow:wght@400;500;600;700\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n#jrj-pd {\n  font-family: 'Barlow', sans-serif;\n  background: #111318;\n  color: #E8EDF2;\n  font-size: 16px;\n  line-height: 1.65;\n  padding: 48px 24px;\n}\n\n#jrj-pd * { box-sizing: border-box; margin: 0; padding: 0; }\n#jrj-pd a { color: #FF5A00; text-decoration: none; }\n#jrj-pd a:hover { text-decoration: underline; }\n\n.pd-wrap {\n  max-width: 960px;\n  margin: 0 auto;\n}\n\n.pd-eyebrow {\n  display: inline-flex;\n  align-items: center;\n  gap: 10px;\n  font-family: 'Barlow Condensed', sans-serif;\n  font-size: 14px;\n  font-weight: 900;\n  letter-spacing: 2.5px;\n  text-transform: uppercase;\n  color: #FF5A00;\n  margin-bottom: 16px;\n}\n\n.pd-eyebrow::before {\n  content: '';\n  display: block;\n  width: 24px;\n  height: 3px;\n  background: #FF5A00;\n  border-radius: 2px;\n}\n\n.pd-title {\n  font-family: 'Barlow Condensed', sans-serif;\n  font-weight: 900;\n  font-size: 48px;\n  text-transform: uppercase;\n  color: #fff;\n  line-height: 1;\n  letter-spacing: -.3px;\n  margin-bottom: 16px;\n}\n\n.pd-lead {\n  font-size: 17px;\n  color: #8B94A3;\n  max-width: 860px;\n  margin-bottom: 32px;\n  line-height: 1.75;\n}\n\n.pd-lead strong { color: #E8EDF2; 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}\n.pd-warning strong { color: #E8EDF2; }\n\n.pd-details {\n  background: #16191F;\n  border: 1px solid rgba(255,255,255,.09);\n  border-radius: 16px;\n  overflow: hidden;\n  margin-bottom: 16px;\n}\n\n.pd-details[open] { border-color: rgba(255,90,0,.3); }\n\n.pd-summary {\n  cursor: pointer;\n  list-style: none;\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: 12px;\n  padding: 22px 28px;\n  font-family: 'Barlow Condensed', sans-serif;\n  font-weight: 900;\n  font-size: 20px;\n  text-transform: uppercase;\n  letter-spacing: .5px;\n  color: #fff;\n  user-select: none;\n}\n\n.pd-summary::-webkit-details-marker { display: none; }\n\n.pd-chevron {\n  color: #FF5A00;\n  font-size: 24px;\n  font-weight: 900;\n  transition: transform .2s;\n  flex-shrink: 0;\n}\n\n.pd-details[open] .pd-chevron { transform: rotate(90deg); }\n\n.pd-vehicle-grid {\n  display: grid;\n  grid-template-columns: 1fr 1fr;\n  gap: 10px 32px;\n  padding: 20px 28px 28px;\n  border-top: 1px solid rgba(255,255,255,.09);\n}\n\n@media (max-width: 640px) {\n  .pd-vehicle-grid { grid-template-columns: 1fr; }\n}\n\n.pd-vehicle-grid li {\n  font-size: 15px;\n  color: #8B94A3;\n  list-style: none;\n  padding-left: 0;\n  position: relative;\n  line-height: 1.6;\n}\n\n.pd-vehicle-grid li::before {\n  content: none;\n}\n\n.pd-video-cta {\n  background: #16191F;\n  border: 1px solid rgba(255,255,255,.09);\n  border-radius: 16px;\n  padding: 28px;\n}\n\n.pd-video-cta p {\n  font-size: 16px;\n  color: #8B94A3;\n  line-height: 1.7;\n}\n\n.pd-video-cta strong { color: #fff; font-size: 17px; }\n\u003c\/style\u003e\n\u003cdiv id=\"jrj-pd\"\u003e\n\u003cdiv class=\"pd-wrap\"\u003e\n\u003cdiv class=\"pd-eyebrow\"\u003eTexas Speed Camshafts\u003c\/div\u003e\n\u003ch2 class=\"pd-title\"\u003eChopacabra Truck Camshaft\u003c\/h2\u003e\n\u003cp class=\"pd-lead\"\u003eThe \u003cstrong\u003eTexas Speed \u0026amp; Performance Chopacabra camshaft\u003c\/strong\u003e is one of the most popular LS truck cams available, known for its \u003cstrong\u003eaggressive lopey idle\u003c\/strong\u003e, strong mid-range torque, and excellent top-end power gains. Designed for \u003cstrong\u003e4.8L, 5.3L, and 6.0L LS engines\u003c\/strong\u003e, this cam delivers the signature \u003cstrong\u003e\"chop\" sound\u003c\/strong\u003e while maintaining solid drivability when properly tuned.\u003c\/p\u003e\n\u003cdiv class=\"pd-variants\"\u003e\n\u003cdiv class=\"pd-variant\"\u003e\n\u003cdiv class=\"pd-variant-icon\"\u003e🏁\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eSignature Chop Sound\u003c\/b\u003e \u003cspan\u003eKnown for the aggressive idle lope that gives LS truck builds the unmistakable Chopacabra sound and attitude.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-variant\"\u003e\n\u003cdiv class=\"pd-variant-icon\"\u003e💨\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eStreet And Strip Power\u003c\/b\u003e \u003cspan\u003eDelivers strong mid-range torque and top-end horsepower gains, making it a top choice for truck performance builds.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-grid\"\u003e\n\u003cdiv class=\"pd-box\"\u003e\n\u003ch4\u003eCamshaft Specifications\u003c\/h4\u003e\n\u003cul class=\"pd-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuration @ .050\":\u003c\/strong\u003e 214° \/ 222° intake \/ exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift:\u003c\/strong\u003e .550\" \/ .550\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLSA:\u003c\/strong\u003e 108\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-bolt\u003c\/strong\u003e camshaft design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-box\"\u003e\n\u003ch4\u003eQuantity Included\u003c\/h4\u003e\n\u003cul class=\"pd-list\"\u003e\n\u003cli\u003e\u003cstrong\u003e1 camshaft\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-grid\"\u003e\n\u003cdiv class=\"pd-box\"\u003e\n\u003ch4\u003eEngine Compatibility\u003c\/h4\u003e\n\u003cul class=\"pd-list\"\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eGen III and Gen IV LS truck engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.8L\u003c\/strong\u003e LR4, LM4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.3L\u003c\/strong\u003e LM7, L59, LH6, LC9, LMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.0L\u003c\/strong\u003e LQ4, LQ9, LY6, L96\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-box\"\u003e\n\u003ch4\u003ePerformance Characteristics\u003c\/h4\u003e\n\u003cul class=\"pd-list\"\u003e\n\u003cli\u003eAggressive \u003cstrong\u003elopey idle\u003c\/strong\u003e chop sound\u003c\/li\u003e\n\u003cli\u003eStrong \u003cstrong\u003emid-range torque\u003c\/strong\u003e gains\u003c\/li\u003e\n\u003cli\u003eImproved \u003cstrong\u003etop-end horsepower\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExcellent \u003cstrong\u003estreet \/ strip balance\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-grid\"\u003e\n\u003cdiv class=\"pd-box\"\u003e\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003cul class=\"pd-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevrolet Silverado\u003c\/strong\u003e 1500 \/ 2500 \/ 3500\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChevrolet Tahoe \/ Suburban\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChevrolet Avalanche\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChevrolet Express Vans\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMC Sierra\u003c\/strong\u003e 1500 \/ 2500 \/ 3500\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGMC Yukon \/ Yukon XL\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGMC Savana Vans\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-box\"\u003e\n\u003ch4\u003eRequired Supporting Mods\u003c\/h4\u003e\n\u003cul class=\"pd-list\"\u003e\n\u003cli\u003e\u003cstrong\u003eUpgraded valve springs REQUIRED\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePushrods recommended\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOD \/ AFM delete required\u003c\/strong\u003e if equipped\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCustom tuning REQUIRED\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-warning\"\u003e\n\u003ch4\u003eImportant Fitment Notes\u003c\/h4\u003e\n\u003cp\u003eThis camshaft is more aggressive than the NSR version and requires the correct supporting parts for safe and reliable operation.\u003c\/p\u003e\n\u003cul style=\"margin-bottom: 10px;\" class=\"pd-list\"\u003e\n\u003cli\u003e\u003cstrong\u003e3-bolt camshaft only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot compatible with VVT\u003c\/strong\u003e without conversion\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003ecathedral port truck engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMore aggressive than \u003cstrong\u003eNSR version\u003c\/strong\u003e and requires supporting mods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot intended for stock, emissions-controlled daily drivers in all regions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pd-details\"\u003e\n\u003csummary class=\"pd-summary\"\u003e\u003cspan\u003eInstallation Information\u003c\/span\u003e \u003cspan class=\"pd-chevron\"\u003e›\u003c\/span\u003e\u003c\/summary\u003e\n\u003cul class=\"pd-vehicle-grid\"\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli\u003eValve spring upgrade is mandatory for safe operation\u003c\/li\u003e\n\u003cli\u003eVerify lifter condition during installation\u003c\/li\u003e\n\u003cli\u003eDegreeing camshaft recommended for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"pd-video-cta\"\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cbr\u003eThis camshaft requires \u003cstrong\u003eupgraded valve springs and proper tuning\u003c\/strong\u003e. It is a top choice for LS truck owners wanting the signature \u003cstrong\u003eChopacabra sound and strong real-world power gains\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Texas Speed","offers":[{"title":"Default Title","offer_id":43096817434691,"sku":"TSP-CHOPacabra","price":419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/1964\/7811\/files\/TSPChopa.webp?v=1774916524","url":"https:\/\/jrjonesracing.com\/products\/tsp-ls-chopacabra-truck-camshaft-texas-speed-performance-tsp-chopacabra-4-8-5-3-6-0-ls-engines","provider":"J.R. Jones Racing","version":"1.0","type":"link"}