{"product_id":"408ci-boosted-ls-stroker-long-block-stage-1-street-performance","title":"408ci Boosted LS Stroker Long Block","description":"\u003ch1 data-section-id=\"u2rknq\" data-start=\"373\" data-end=\"420\"\u003e\u003cspan role=\"text\"\u003e🔥 \u003cstrong data-start=\"378\" data-end=\"420\"\u003e408ci Street King Long Block – Boosted\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2 data-section-id=\"8cer9\" data-start=\"422\" data-end=\"470\"\u003e💥 Built for Boost. Engineered for Big Power.\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1fwqfhb\" data-start=\"472\" data-end=\"487\"\u003e🔧 Overview\u003c\/h3\u003e\n\u003cp data-start=\"489\" data-end=\"852\"\u003eThe \u003cstrong data-start=\"493\" data-end=\"533\"\u003e408ci Street King Boosted Long Block\u003c\/strong\u003e is designed for enthusiasts who refuse to settle for ordinary horsepower numbers. Built around a forged stroker rotating assembly and engineered specifically for forced induction, this combination delivers the strength, durability, and displacement needed to support serious turbocharged and supercharged applications.\u003c\/p\u003e\n\u003cp data-start=\"854\" data-end=\"1245\"\u003eWith 408 cubic inches of displacement, this engine produces exceptional torque off boost while providing the airflow and cylinder pressure capacity required to support extreme horsepower levels when boost is introduced. Whether you're building a street car, drag car, truck, or high-performance LS swap, the 408ci Street King provides a proven foundation for achieving your horsepower goals.\u003c\/p\u003e\n\u003cp data-start=\"1247\" data-end=\"1380\"\u003eFrom moderate street setups to four-digit horsepower combinations, this engine is built to handle the demands of serious performance.\u003c\/p\u003e\n\u003chr data-start=\"1382\" data-end=\"1385\"\u003e\n\u003ch3 data-section-id=\"1u1qesv\" data-start=\"1387\" data-end=\"1413\"\u003e💨 Boosted Performance\u003c\/h3\u003e\n\u003cp data-start=\"1415\" data-end=\"1750\"\u003eThe 408ci Boosted Street King Long Block is engineered to thrive under boost. Featuring a forged rotating assembly, premium internal components, and a compression ratio optimized for forced induction, this combination is designed to withstand the increased cylinder pressures associated with turbocharged and supercharged applications.\u003c\/p\u003e\n\u003cp data-start=\"1752\" data-end=\"1910\"\u003eThe additional displacement provides exceptional low-end torque and improved spool characteristics while maintaining outstanding top-end horsepower potential.\u003c\/p\u003e\n\u003chr data-start=\"1912\" data-end=\"1915\"\u003e\n\u003ch3 data-section-id=\"4b12mp\" data-start=\"1917\" data-end=\"1942\"\u003e🔥 Performance Stages\u003c\/h3\u003e\n\u003ch4 data-start=\"1944\" data-end=\"1980\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1949\" data-end=\"1980\"\u003eStreet Series – Boost Ready\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1982\" data-end=\"2096\"\u003eA durable boosted foundation designed for customers seeking reliable street performance and moderate boost levels.\u003c\/p\u003e\n\u003cp data-start=\"2098\" data-end=\"2111\"\u003e\u003cstrong data-start=\"2098\" data-end=\"2111\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2112\" data-end=\"2267\"\u003e\n\u003cli data-section-id=\"nbgk20\" data-start=\"2112\" data-end=\"2131\"\u003eForged crankshaft\u003c\/li\u003e\n\u003cli data-section-id=\"w6jco1\" data-start=\"2132\" data-end=\"2156\"\u003eForged connecting rods\u003c\/li\u003e\n\u003cli data-section-id=\"m5hfrt\" data-start=\"2157\" data-end=\"2173\"\u003eForged pistons\u003c\/li\u003e\n\u003cli data-section-id=\"1poaia0\" data-start=\"2174\" data-end=\"2208\"\u003eBoost-friendly compression ratio\u003c\/li\u003e\n\u003cli data-section-id=\"fvvjta\" data-start=\"2209\" data-end=\"2238\"\u003eUpgraded valvetrain package\u003c\/li\u003e\n\u003cli data-section-id=\"10ah2qv\" data-start=\"2239\" data-end=\"2267\"\u003eFully assembled long block\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2269\" data-end=\"2309\"\u003e\u003cstrong data-start=\"2269\" data-end=\"2290\"\u003ePower Capability:\u003c\/strong\u003e\u003cbr data-start=\"2290\" data-end=\"2293\"\u003e\u003cstrong data-start=\"2293\" data-end=\"2309\"\u003eUp to 850 HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2311\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2311\" data-end=\"2325\"\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2326\" data-end=\"2400\"\u003e\n\u003cli data-section-id=\"1popzhm\" data-start=\"2326\" data-end=\"2339\"\u003eStreet cars\u003c\/li\u003e\n\u003cli data-section-id=\"1mhirep\" data-start=\"2340\" data-end=\"2358\"\u003eWeekend cruisers\u003c\/li\u003e\n\u003cli data-section-id=\"dgi3r\" data-start=\"2359\" data-end=\"2400\"\u003eMild turbo or supercharger applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2402\" data-end=\"2405\"\u003e\n\u003ch4 data-start=\"2407\" data-end=\"2457\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2412\" data-end=\"2457\"\u003eStreet\/Strip Series – Serious Performance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp data-start=\"2459\" data-end=\"2551\"\u003eBuilt for customers looking to maximize performance while maintaining excellent reliability.\u003c\/p\u003e\n\u003cp data-start=\"2553\" data-end=\"2566\"\u003e\u003cstrong data-start=\"2553\" data-end=\"2566\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2567\" data-end=\"2745\"\u003e\n\u003cli data-section-id=\"1v9g6ss\" data-start=\"2567\" data-end=\"2601\"\u003ePremium forged rotating assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1nzhbht\" data-start=\"2602\" data-end=\"2630\"\u003eUpgraded valvetrain system\u003c\/li\u003e\n\u003cli data-section-id=\"wqslhc\" data-start=\"2631\" data-end=\"2666\"\u003ePerformance cylinder head package\u003c\/li\u003e\n\u003cli data-section-id=\"1gkv2cc\" data-start=\"2667\" data-end=\"2715\"\u003eEnhanced durability for increased boost levels\u003c\/li\u003e\n\u003cli data-section-id=\"vrp7lb\" data-start=\"2716\" data-end=\"2745\"\u003ePrecision-balanced assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2747\" data-end=\"2789\"\u003e\u003cstrong data-start=\"2747\" data-end=\"2768\"\u003ePower Capability:\u003c\/strong\u003e\u003cbr data-start=\"2768\" data-end=\"2771\"\u003e\u003cstrong data-start=\"2771\" data-end=\"2789\"\u003eUp to 1,000 HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2791\" data-end=\"2805\"\u003e\u003cstrong data-start=\"2791\" data-end=\"2805\"\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2806\" data-end=\"2920\"\u003e\n\u003cli data-section-id=\"1j9pzoh\" data-start=\"2806\" data-end=\"2829\"\u003eStreet\/strip vehicles\u003c\/li\u003e\n\u003cli data-section-id=\"7hpxjq\" data-start=\"2830\" data-end=\"2855\"\u003eHigh-performance builds\u003c\/li\u003e\n\u003cli data-section-id=\"1sarget\" data-start=\"2856\" data-end=\"2881\"\u003eTwin-turbo combinations\u003c\/li\u003e\n\u003cli data-section-id=\"18pnipa\" data-start=\"2882\" data-end=\"2920\"\u003eHigh-boost supercharger applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2922\" data-end=\"2925\"\u003e\n\u003ch4 data-start=\"2927\" data-end=\"2968\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2932\" data-end=\"2968\"\u003eDominator Series – Maximum Boost\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp data-start=\"2970\" data-end=\"3104\"\u003eThe ultimate Street King boosted combination. Built for customers pursuing four-digit horsepower goals and uncompromising performance.\u003c\/p\u003e\n\u003cp data-start=\"3106\" data-end=\"3119\"\u003e\u003cstrong data-start=\"3106\" data-end=\"3119\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3120\" data-end=\"3332\"\u003e\n\u003cli data-section-id=\"r8fh8z\" data-start=\"3120\" data-end=\"3147\"\u003ePremium forged crankshaft\u003c\/li\u003e\n\u003cli data-section-id=\"1300opm\" data-start=\"3148\" data-end=\"3180\"\u003ePremium forged connecting rods\u003c\/li\u003e\n\u003cli data-section-id=\"xefg82\" data-start=\"3181\" data-end=\"3205\"\u003ePremium forged pistons\u003c\/li\u003e\n\u003cli data-section-id=\"3plh5n\" data-start=\"3206\" data-end=\"3240\"\u003eFully upgraded valvetrain system\u003c\/li\u003e\n\u003cli data-section-id=\"19dpdds\" data-start=\"3241\" data-end=\"3287\"\u003eHigh-strength internal components throughout\u003c\/li\u003e\n\u003cli data-section-id=\"1gu57e3\" data-start=\"3288\" data-end=\"3332\"\u003eBlueprint assembled to exacting tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3334\" data-end=\"3371\"\u003e\u003cstrong data-start=\"3334\" data-end=\"3355\"\u003ePower Capability:\u003c\/strong\u003e\u003cbr data-start=\"3355\" data-end=\"3358\"\u003e\u003cstrong data-start=\"3358\" data-end=\"3371\"\u003e1,250+ HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3373\" data-end=\"3387\"\u003e\u003cstrong data-start=\"3373\" data-end=\"3387\"\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3388\" data-end=\"3508\"\u003e\n\u003cli data-section-id=\"rlqx12\" data-start=\"3388\" data-end=\"3410\"\u003eCompetition vehicles\u003c\/li\u003e\n\u003cli data-section-id=\"1x3v6f5\" data-start=\"3411\" data-end=\"3437\"\u003eDrag racing applications\u003c\/li\u003e\n\u003cli data-section-id=\"uidq3c\" data-start=\"3438\" data-end=\"3472\"\u003eMaximum horsepower street builds\u003c\/li\u003e\n\u003cli data-section-id=\"r1327o\" data-start=\"3473\" data-end=\"3508\"\u003eExtreme turbocharged combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3510\" data-end=\"3513\"\u003e\n\u003ch3 data-section-id=\"17rdxbg\" data-start=\"3515\" data-end=\"3574\"\u003e👑 Why Choose the 408ci Street King Boosted Long Block?\u003c\/h3\u003e\n\u003cul data-start=\"3576\" data-end=\"3850\"\u003e\n\u003cli data-section-id=\"1q0jxqy\" data-start=\"3576\" data-end=\"3621\"\u003eForged rotating assembly designed for boost\u003c\/li\u003e\n\u003cli data-section-id=\"7vmxr1\" data-start=\"3622\" data-end=\"3667\"\u003eExceptional torque and horsepower potential\u003c\/li\u003e\n\u003cli data-section-id=\"1rce8z6\" data-start=\"3668\" data-end=\"3692\"\u003eProven LS architecture\u003c\/li\u003e\n\u003cli data-section-id=\"1oeappv\" data-start=\"3693\" data-end=\"3751\"\u003eOptimized for turbocharger and supercharger applications\u003c\/li\u003e\n\u003cli data-section-id=\"6kx4wp\" data-start=\"3752\" data-end=\"3799\"\u003eBuilt to withstand extreme cylinder pressures\u003c\/li\u003e\n\u003cli data-section-id=\"17dl0df\" data-start=\"3800\" data-end=\"3850\"\u003eIdeal foundation for four-digit horsepower goals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3852\" data-end=\"3855\"\u003e\n\u003ch3 data-section-id=\"bkmqss\" data-start=\"3857\" data-end=\"3879\"\u003e⚠️ Important Notes\u003c\/h3\u003e\n\u003cul data-start=\"3881\" data-end=\"4255\"\u003e\n\u003cli data-section-id=\"13eun5l\" data-start=\"3881\" data-end=\"4016\"\u003eIntake manifold, throttle body, fuel injectors, turbochargers, superchargers, accessories, and engine management are \u003cstrong data-start=\"4000\" data-end=\"4016\"\u003enot included\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"neboy9\" data-start=\"4017\" data-end=\"4053\"\u003eAll engines are \u003cstrong data-start=\"4035\" data-end=\"4053\"\u003ebuilt to order\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kdllxb\" data-start=\"4054\" data-end=\"4087\"\u003eProfessional tuning is required\u003c\/li\u003e\n\u003cli data-section-id=\"40p3os\" data-start=\"4088\" data-end=\"4165\"\u003eFinal specifications may vary based on intended boost level and application\u003c\/li\u003e\n\u003cli data-section-id=\"d8dcxa\" data-start=\"4166\" data-end=\"4255\"\u003eHorsepower capability depends on supporting modifications and fuel system configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4257\" data-end=\"4260\"\u003e\n\u003ch3 data-section-id=\"g945ho\" data-start=\"4262\" data-end=\"4293\"\u003e📋 Recommended Applications\u003c\/h3\u003e\n\u003cp data-start=\"4295\" data-end=\"4459\"\u003e✅ Turbocharged Street Builds\u003cbr data-start=\"4323\" data-end=\"4326\"\u003e✅ Twin-Turbo Applications\u003cbr data-start=\"4351\" data-end=\"4354\"\u003e✅ Supercharged Vehicles\u003cbr data-start=\"4377\" data-end=\"4380\"\u003e✅ Street\/Strip Combinations\u003cbr data-start=\"4407\" data-end=\"4410\"\u003e✅ Drag Racing Builds\u003cbr data-start=\"4430\" data-end=\"4433\"\u003e✅ High-Horsepower LS Swaps\u003c\/p\u003e\n\u003chr data-start=\"4461\" data-end=\"4464\"\u003e\n\u003cp data-start=\"4466\" data-end=\"4798\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"4466\" data-end=\"4525\"\u003eTitan Engine Works 408ci Street King Boosted Long Block\u003c\/strong\u003e is engineered for enthusiasts who demand serious horsepower potential without sacrificing reliability. Built with premium forged components and designed specifically for forced induction, it provides the strength and confidence needed to push your build to the next level.\u003c\/p\u003e","brand":"Titan Engine Works","offers":[{"title":"Default Title","offer_id":42668347588679,"sku":null,"price":1.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/7448\/1735\/files\/ChatGPT_Image_Jun_7_2026_02_16_07_PM.png?v=1780866981","url":"https:\/\/zffy1g-qy.myshopify.com\/products\/408ci-boosted-ls-stroker-long-block-stage-1-street-performance","provider":"Titan Engine Works","version":"1.0","type":"link"}