{"product_id":"atk-high-performance-gm-350-vortec-315-hp-stage-1-long-block-crate-engine-hp74","title":"ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engine – HP74","description":"\u003ch2 data-section-id=\"19qnil2\" data-start=\"193\" data-end=\"280\"\u003e\u003cstrong data-start=\"196\" data-end=\"280\"\u003eATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engine – HP74\u003c\/strong\u003e\u003c\/h2\u003e \u003cp data-start=\"282\" data-end=\"672\"\u003eBring classic small-block power back to life with the \u003cstrong data-start=\"336\" data-end=\"370\"\u003eATK HP74 GM 350 Vortec Stage 1\u003c\/strong\u003e crate engine. Designed as a direct-fit long block replacement for 1996–2000 GM trucks, SUVs, and performance applications using Vortec heads, this engine delivers a solid \u003cstrong data-start=\"542\" data-end=\"560\"\u003e315 horsepower\u003c\/strong\u003e and \u003cstrong data-start=\"565\" data-end=\"588\"\u003e350 lb-ft of torque\u003c\/strong\u003e—perfect for stock upgrades, mild performance builds, and daily driving reliability.\u003c\/p\u003e \u003cp data-start=\"674\" data-end=\"828\"\u003eEvery engine is assembled with precision using quality name-brand components, backed by ATK’s \u003cstrong data-start=\"768\" data-end=\"805\"\u003e2-year\/unlimited mileage warranty\u003c\/strong\u003e, and built in the USA.\u003c\/p\u003e \u003chr data-start=\"830\" data-end=\"833\"\u003e \u003ch2 data-section-id=\"19qnil2\" data-start=\"193\" data-end=\"280\"\u003e\u003cstrong data-start=\"196\" data-end=\"280\"\u003eATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engine – HP74\u003c\/strong\u003e\u003c\/h2\u003e \u003ch3 data-section-id=\"1tinvxu\" data-start=\"835\" data-end=\"861\"\u003e\u003cstrong data-start=\"842\" data-end=\"861\"\u003eKey Highlights:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul data-start=\"863\" data-end=\"1171\"\u003e \u003cli data-start=\"863\" data-end=\"916\"\u003e \u003cp data-start=\"865\" data-end=\"916\"\u003e\u003cstrong data-start=\"865\" data-end=\"888\"\u003eDyno-Tested Output:\u003c\/strong\u003e 315 HP \/ 350 lb-ft Torque\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"917\" data-end=\"986\"\u003e \u003cp data-start=\"919\" data-end=\"986\"\u003e\u003cstrong data-start=\"919\" data-end=\"945\"\u003eVortec Cylinder Heads:\u003c\/strong\u003e Factory-style heads with improved flow\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"987\" data-end=\"1066\"\u003e \u003cp data-start=\"989\" data-end=\"1066\"\u003e\u003cstrong data-start=\"989\" data-end=\"1024\"\u003eHydraulic Flat Tappet Camshaft:\u003c\/strong\u003e Mild performance upgrade for street use\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1067\" data-end=\"1171\"\u003e \u003cp data-start=\"1069\" data-end=\"1171\"\u003e\u003cstrong data-start=\"1069\" data-end=\"1087\"\u003eDrop-In Ready:\u003c\/strong\u003e Perfect match for 1996–2000 GM vehicles using Vortec-style intake and accessories\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr data-start=\"1173\" data-end=\"1176\"\u003e \u003ch3 data-section-id=\"1wpk1o6\" data-start=\"1178\" data-end=\"1214\"\u003e\u003cstrong data-start=\"1185\" data-end=\"1214\"\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"_tableContainer_80l1q_1\"\u003e \u003cdiv class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\"\u003e \u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1216\" data-end=\"2166\"\u003e \u003cthead data-start=\"1216\" data-end=\"1288\"\u003e \u003ctr data-start=\"1216\" data-end=\"1288\"\u003e \u003cth data-start=\"1216\" data-end=\"1248\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1218\" data-end=\"1235\"\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e \u003cth data-start=\"1248\" data-end=\"1288\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1261\"\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-start=\"1361\" data-end=\"2166\"\u003e \u003ctr data-start=\"1361\" data-end=\"1433\"\u003e \u003ctd data-start=\"1361\" data-end=\"1392\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1363\" data-end=\"1379\"\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1392\" data-end=\"1433\" data-col-size=\"md\"\u003e5.7L \/ 350 C.I.D.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1434\" data-end=\"1505\"\u003e \u003ctd data-start=\"1434\" data-end=\"1465\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1452\"\u003eEngine Block\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1465\" data-end=\"1505\" data-col-size=\"md\"\u003eSeasoned GM Vortec block\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1506\" data-end=\"1577\"\u003e \u003ctd data-start=\"1506\" data-end=\"1537\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1508\" data-end=\"1526\"\u003eCylinder Heads\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1537\" data-end=\"1577\" data-col-size=\"md\"\u003eGM Vortec Iron Heads\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1578\" data-end=\"1649\"\u003e \u003ctd data-start=\"1578\" data-end=\"1609\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1580\" data-end=\"1601\"\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1609\" data-end=\"1649\" data-col-size=\"md\"\u003e9.4:1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1650\" data-end=\"1721\"\u003e \u003ctd data-start=\"1650\" data-end=\"1681\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1652\" data-end=\"1669\"\u003eCamshaft Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1681\" data-end=\"1721\" data-col-size=\"md\"\u003eHydraulic Flat Tappet\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1722\" data-end=\"1803\"\u003e \u003ctd data-start=\"1722\" data-end=\"1753\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1724\" data-end=\"1742\"\u003eCamshaft Specs\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1753\" data-end=\"1803\" data-col-size=\"md\"\u003e~0.420”\/0.443” Lift, 194°\/202° @ .050 Duration\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1804\" data-end=\"1875\"\u003e \u003ctd data-start=\"1804\" data-end=\"1835\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1806\" data-end=\"1820\"\u003eHorsepower\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1835\" data-end=\"1875\" data-col-size=\"md\"\u003e315 HP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1876\" data-end=\"1947\"\u003e \u003ctd data-start=\"1876\" data-end=\"1907\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1878\" data-end=\"1888\"\u003eTorque\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1907\" data-end=\"1947\" data-col-size=\"md\"\u003e350 lb-ft\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1948\" data-end=\"2022\"\u003e \u003ctd data-start=\"1948\" data-end=\"1979\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1950\" data-end=\"1967\"\u003eAssembly Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"1979\" data-end=\"2022\" data-col-size=\"md\"\u003eLong Block (no intake\/carb\/distributor)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2023\" data-end=\"2094\"\u003e \u003ctd data-start=\"2023\" data-end=\"2054\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2025\" data-end=\"2043\"\u003eRear Main Seal\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"2054\" data-end=\"2094\" data-col-size=\"md\"\u003e1-piece\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2095\" data-end=\"2166\"\u003e \u003ctd data-start=\"2095\" data-end=\"2126\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2097\" data-end=\"2121\"\u003eBalancer \u0026amp; Flex plate\u003c\/strong\u003e\u003c\/td\u003e \u003ctd data-start=\"2126\" data-end=\"2166\" data-col-size=\"md\"\u003eNot included\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cdiv class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\"\u003e \u003cdiv class=\"absolute end-0 flex items-end\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003chr data-start=\"2168\" data-end=\"2171\"\u003e \u003ch3 data-section-id=\"1u9f0l9\" data-start=\"2173\" data-end=\"2200\"\u003e\u003cstrong data-start=\"2180\" data-end=\"2200\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul data-start=\"2202\" data-end=\"2381\"\u003e \u003cli data-start=\"2202\" data-end=\"2232\"\u003e \u003cp data-start=\"2204\" data-end=\"2232\"\u003eFully assembled long block\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2233\" data-end=\"2270\"\u003e \u003cp data-start=\"2235\" data-end=\"2270\"\u003eVortec cylinder heads (assembled)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2271\" data-end=\"2335\"\u003e \u003cp data-start=\"2273\" data-end=\"2335\"\u003eInstalled camshaft, crankshaft, pistons, and connecting rods\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2336\" data-end=\"2347\"\u003e \u003cp data-start=\"2338\" data-end=\"2347\"\u003eOil pan\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2348\" data-end=\"2364\"\u003e \u003cp data-start=\"2350\" data-end=\"2364\"\u003eTiming cover\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2365\" data-end=\"2381\"\u003e \u003cp data-start=\"2367\" data-end=\"2381\"\u003eValve covers\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"2383\" data-end=\"2481\"\u003e\u003cem data-start=\"2386\" data-end=\"2481\"\u003eNote: Intake manifold, carburetor, distributor, and accessories not included—sold separately.\u003c\/em\u003e\u003c\/p\u003e \u003chr data-start=\"2483\" data-end=\"2486\"\u003e \u003ch3 data-section-id=\"p69m6l\" data-start=\"2488\" data-end=\"2542\"\u003e\u003cstrong data-start=\"2494\" data-end=\"2542\"\u003eWhy Choose the ATK HP74 Vortec Crate Engine?\u003c\/strong\u003e\u003c\/h3\u003e \u003cul data-start=\"2544\" data-end=\"2871\"\u003e \u003cli data-start=\"2544\" data-end=\"2648\"\u003e \u003cp data-start=\"2546\" data-end=\"2648\"\u003e\u003cstrong data-start=\"2549\" data-end=\"2582\"\u003ePerfect for GM Truck Rebuilds\u003c\/strong\u003e – Drop-in ready for 1996–2000 Chevy\/GMC trucks with Vortec 5.7L\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2649\" data-end=\"2732\"\u003e \u003cp data-start=\"2651\" data-end=\"2732\"\u003e\u003cstrong data-start=\"2654\" data-end=\"2682\"\u003eMild Performance Upgrade\u003c\/strong\u003e – Great power boost while retaining drivability\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2733\" data-end=\"2816\"\u003e \u003cp data-start=\"2735\" data-end=\"2816\"\u003e\u003cstrong data-start=\"2740\" data-end=\"2764\"\u003eAssembled in the USA\u003c\/strong\u003e – Built to exacting standards with top-tier parts\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2817\" data-end=\"2871\"\u003e \u003cp data-start=\"2819\" data-end=\"2871\"\u003e\u003cstrong data-start=\"2823\" data-end=\"2842\"\u003e2-Year Warranty\u003c\/strong\u003e – Confidence in every mile\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr data-start=\"2873\" data-end=\"2876\"\u003e \u003ch3 data-section-id=\"1v1vpnj\" data-start=\"2878\" data-end=\"2908\"\u003e\u003cstrong data-start=\"2885\" data-end=\"2908\"\u003eIdeal Applications:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul data-start=\"2910\" data-end=\"3097\"\u003e \u003cli data-start=\"2910\" data-end=\"2966\"\u003e \u003cp data-start=\"2912\" data-end=\"2966\"\u003eChevy Silverado \u0026amp; GMC Sierra (1996–2000 5.7L Vortec)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"2967\" data-end=\"3010\"\u003e \u003cp data-start=\"2969\" data-end=\"3010\"\u003eTahoe, Suburban, Yukon, and Express Van\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3011\" data-end=\"3051\"\u003e \u003cp data-start=\"3013\" data-end=\"3051\"\u003eClassic restomods using Vortec heads\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3052\" data-end=\"3097\"\u003e \u003cp data-start=\"3054\" data-end=\"3097\"\u003eCustom swaps and light performance builds\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr data-start=\"3099\" data-end=\"3102\"\u003e \u003ch3 data-section-id=\"1nyaxwx\" data-start=\"3104\" data-end=\"3144\"\u003e\u003cstrong data-start=\"3111\" data-end=\"3144\"\u003eLooking for a Turnkey Option?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp data-start=\"3146\" data-end=\"3403\"\u003ePair the \u003cstrong data-start=\"3155\" data-end=\"3174\"\u003eHP74 long block\u003c\/strong\u003e with a carbureted or EFI intake, ignition system, and fuel delivery kit to build a complete powerplant. We also carry ATK’s full lineup of \u003cstrong data-start=\"3314\" data-end=\"3363\"\u003eStage 2 and Stage 3 performance crate engines\u003c\/strong\u003e for those seeking even more horsepower.\u003c\/p\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160960725223,"sku":null,"price":1901.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/a4ee5765-Engines-Crate-ATK-High-Performance-GM-350.jpg?v=1780566419","url":"https:\/\/titanparthub.com\/products\/atk-high-performance-gm-350-vortec-315-hp-stage-1-long-block-crate-engine-hp74","provider":"TITANPARTHUB","version":"1.0","type":"link"}