{"title":"4150 \/ 4500 Throttle Bodies","description":"Wilson Manifolds 4-Barrel Throttle Bodies for 4150 or 4500","products":[{"product_id":"4150-throttle-body-1287-cfm","title":"4150 Throttle Body - 1287CFM with IAC\/TPS\/ATS built in","description":"\u003cp\u003e\u003cstrong\u003eEngineered for Maximum Horsepower \u0026amp; Durability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAir Supremacy Design\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Flows\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1287 CFM\u003c\/strong\u003e, making it the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehighest flowing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4-blade 4150 throttle body on the market. Delivers\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eincredible throttle response\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor peak performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStainless Steel 3-Way Adjustable Linkage\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Built for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emaximum strength, adjustability, and reliability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunder extreme racing conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSealed Roller Bearings\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Eliminates bushings to prevent wear, leaks, and performance loss over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision 3\/8\" Throttle Shafts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Optimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eminimal drag and maximum airflow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAircraft-Grade Blade Fastening\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Blades are Loctited and peened for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esecure, long-lasting retention\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeven under high RPM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTapered \u0026amp; Radiused Bores\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Advanced design using computational modeling to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emaximize airflow per square inch\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInward Opening Throttle Blades\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Promotes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eeven air distribution\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand eliminates part-throttle directional turbulence.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In IAC, TPS \u0026amp; Air Temp Sensors\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Integrated directly into the body to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esimplify installation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand eliminate external clutter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3 Integrated 1\/8\" NPT Ports\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eflexible options\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor vacuum or boost signal connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Profile\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– At just\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 3\/8\" tall\u003c\/strong\u003e, it fits in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etight engine bays\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout compromising performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBillet 6061-T6 Aluminum Construction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– CNC-machined for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elightweight strength\u003c\/strong\u003e, durability, and precise tolerances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with Wilson Billet Spacers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Adds\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etuning flexibility and power\u003c\/strong\u003e. Spacer combo increases total flow to\u003cspan\u003e over \u003c\/span\u003e\u003cstrong\u003e1500 CFM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand boosts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epart-throttle performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"line-height: 1;\"\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4; font-weight: bold;\"\u003eFlow numbers:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1;\"\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003eThrottle Body Only:     1287cfm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003ca href=\"https:\/\/www.wilsonmanifolds.com\/collections\/tapered-carburetor\/products\/4150-carb-spacer-1-inch-tapered-lightweight\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #00aaff; font-family: Arial; white-space: pre-wrap; background-color: #f4f4f4;\"\u003ew\/ 1\" tapered spacer:   1455cfm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1;\"\u003e\u003ca href=\"https:\/\/www.wilsonmanifolds.com\/collections\/tapered-carburetor\/products\/4150-carb-spacer-1-50-tapered-lightweight\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #00aaff;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003ew\/ 1.5\" tapered spacer: \u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003e1488cfm\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1;\"\u003e\u003ca href=\"https:\/\/www.wilsonmanifolds.com\/collections\/tapered-carburetor\/products\/4150-carb-spacer-2-00-tapered-lightweight\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #00aaff;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003ew\/ 2\" tapered spacer:\u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003e    1516cfm\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 16px; white-space: pre-wrap; background-color: #f4f4f4;\"\u003e\u003cspan\u003eIncludes IAC, TPS \u0026amp; Air Temp Sensors built into the body to ease installation!\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Wilson Manifolds","offers":[{"title":"Default Title","offer_id":31927762190380,"sku":"472175","price":1177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9967\/5948\/products\/20201016_100627.jpg?v=1602861420"},{"product_id":"4500-throttle-body-2-00-bore-1745-cfm","title":"4500 Dominator Throttle Body - 2.00\" Bore - 1745CFM with TPS and IAC provision","description":"\u003cp\u003e\u003cstrong\u003eEngineered for Maximum Horsepower \u0026amp; Durability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAir Supremacy Design\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– The Wilson 4500 flows massive air volume with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredesigned internals and reduced overall mass\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epeak high-RPM power\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlow Performance Breakdown\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThrottle Body Only\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 1792 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWith 1\" Tapered Spacer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 1887 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWith 1.5\" Tapered Spacer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 1898 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWith 2\" Tapered Spacer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 1905 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with Wilson Billet Spacers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Designed to work in tandem for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emaximum flow and throttle response\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStainless Steel 3-Way Adjustable Linkage\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Precision-machined for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estrength, adjustability, and reliability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunder extreme conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSealed Roller Bearings\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Replaces bushings to eliminate wear and air leaks, ensuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elong-term consistent performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSlim Throttle Shafts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Machined to reduce cross-sectional area and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eincrease net airflow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAircraft-Grade Blade Fastening\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Throttle blades are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLoctited and peened\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor secure, high-RPM retention.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTapered \u0026amp; Radiused Bores\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Developed using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecutting-edge modeling\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto optimize airflow per square inch for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emaximum horsepower\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInward Opening Throttle Blades\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Minimizes directional turbulence and improves\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eair distribution at part throttle\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In TPS \u0026amp; IAC Provisions\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Holley plug-style TPS is pre-installed. IAC port included; block-off plate comes standard. Sensor sold separately.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBillet 6061-T6 Aluminum Body\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– CNC-machined for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elightweight strength\u003c\/strong\u003e, repeatable tolerances, and superior heat resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Profile\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Stands\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 5\/8\" tall\u003c\/strong\u003e, allowing for flexible packaging in engine bays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wilson Manifolds","offers":[{"title":"Default Title","offer_id":31927764549676,"sku":"473200","price":1297.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9967\/5948\/products\/iacandTps473200_c2aae96c-c530-4da4-88bb-1752d3c417b7.jpg?v=1661362957"},{"product_id":"fatmouth-4150-throttle-body","title":"Fatmouth 4150 \/ 4500 flange - 105mm Billet Throttle Body - 2000+ CFM","description":"\u003ch3\u003e\u003cstrong\u003e105 Fat Mouth Throttle Body – 2000 CFM Performance Beast\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlows an Incredible 2000 CFM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Built for serious power on race applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStandard 4150 Carb Height\u003c\/strong\u003e – Measures 3.750\" tall to match standard 4150 carb dimensions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e4150 \u0026amp; 4500 Manifold Compatible\u003c\/strong\u003e – Fits both bolt patterns with no modifications required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMassive 105mm Blade\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Large single-blade design fits the plenum opening and maximizes airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStainless Steel Ball Bearings\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Support a robust .500\" machined stainless steel shaft for smooth, reliable operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNitrous Ready\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Fully compatible with all nitrous plates for boosted performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBlack Anodized Finish\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Durable, race-ready black coating with a laser-etched logo for a professional look.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBolt-On Upgrade\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Designed for easy installation and maximum compatibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAll Billet Aluminum Construction\u003c\/strong\u003e – CNC machined for maximum strength and durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wilson Manifolds","offers":[{"title":"Default Title","offer_id":31927781392428,"sku":"475105","price":871.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9967\/5948\/products\/IMG_20200501_161543_1600x_1.jpg?v=1602620558"},{"product_id":"4150-throttle-body-screen","title":"4150 Throttle body screen","description":"\u003cp\u003e\u003cspan\u003eThrottle body screen for 4150 Low Profile. The screens are constructed out of stainless steel mesh, grommet, with stainless steel trim around the bottom. Screens come with hardware to mount to throttle body or carburetor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e- Screens are 1.25\" tall\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote: If using a carb, vent tubes must be low enough to clear the screen.\u003c\/span\u003e\u003c\/p\u003e","brand":"Wilson Manifolds","offers":[{"title":"Default Title","offer_id":48145475731711,"sku":"TBS4150","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9967\/5948\/files\/20260130_150950_1.png?v=1774379583"},{"product_id":"4500-throttle-body-screen","title":"4500 Throttle body screen","description":"\u003cp\u003e\u003cspan\u003eThrottle body screens are available in the 4500, 4150 Low Profile. The screens are constructed out of stainless steel mesh, grommet, with stainless steel trim around the bottom. Screens come with hardware to mount to throttle body or carburetor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote: If using a carb, vent tubes must be low enough to clear the screen.\u003c\/span\u003e\u003c\/p\u003e","brand":"Wilson Manifolds","offers":[{"title":"Default Title","offer_id":48145485988095,"sku":"TBS4500","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9967\/5948\/files\/20260128_134806_9073d3f1-5fcb-4935-b5ba-95132e34e5d6.png?v=1774379716"},{"product_id":"4150-throttle-body-screen-black","title":"4150 Throttle Body Screen Black","description":"\u003cp\u003e\u003cspan\u003eThrottle body screen for 4150 Low Profile. The screens are constructed out of stainless steel mesh, grommet, with stainless steel trim around the bottom. 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Radiused Bores\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Developed using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecutting-edge modeling\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto optimize airflow per square inch for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emaximum horsepower\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInward Opening Throttle Blades\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Minimizes directional turbulence and improves\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eair distribution at part throttle\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In TPS \u0026amp; IAC Provisions\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Holley plug-style TPS is pre-installed. 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