{"title":"Turbosmart 38mm External Wastegates - WG38 UltraGate38","description":"","products":[{"product_id":"turbosmart-genv-ultragate38hp-35psi","title":"Turbosmart GenV Ultragate38HP 35psi Black (TS-0551-1312)","description":"p\u0026gt;The GenV UltraGate38 HP external wastegate is a Motorsport proven, cost effective 38mm 2 Bolt external wastegate with base spring pressure options of up to 50psi! Add to that some reference signal manipulation and you have some serious boost! The GenV provides extensive user configurability, world leading extended thermal performance, fatigue resistance and best in class flow performance for optimum control and longevity.\u003cbr\u003e\u003cbr\u003eThe GenV External Wastegate from Turbosmart was a ground up rework of a classic and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate like it. \u003cbr\u003e\u003cbr\u003eA direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap and base for easy, 360 degree optional routing of reference hoses, strap-type V-band clamps, optional liquid-cooling provision and 1\/8? NPT reference ports.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAvailable In\u003c\/b\u003e\u003cbr\u003e38mm GenV UltraGate38HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/genv-ultragate38hp-high-pressure-35psi-external-wastegate-black\/\"\u003eTS-0551-1312\u003c\/a\u003e\u003cbr\u003e40mm GenV CompGate40HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/ts-0552-1312\/\"\u003eTS-0552-1312\u003c\/a\u003e\u003cbr\u003e45mm GenV Hyperflow45HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/ts-0553-1312\/\"\u003eTS-0553-1312\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003eHP Actuator - Up to 50psi Base Pressure\u003cbr\u003eClass Leading Thermal Performance \u003cbr\u003eClass Leading CFD \u0026amp; Bench Validated Flow Performance\u003cbr\u003eClass Leading Fatigue Resistance\u003cbr\u003eOptional Actuator Liquid Cooling\u003cbr\u003eRotatable \/ Clockable Actuator Housing\u003cbr\u003eNitronic 60 Valve Guide \u0026amp; High Temp 347 SS Body\u003cbr\u003e17-7 PH Stainless Steel Springs\u003cbr\u003eStrap Type V-band clamps","brand":"Turbosmart","offers":[{"title":"Black","offer_id":48877775946058,"sku":"TS-0551-1312","price":539.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9602\/5418\/files\/TS-0551-1312.jpg?v=1750177574"},{"product_id":"turbosmart-ultragate38-38mm-external-wastegate-genv","title":"WG38 UltraGate38 GenV 38mm External Wastegate by Turbosmart","description":"\u003ch1 data-end=\"894\" data-start=\"841\" data-section-id=\"16lzpcc\"\u003eTurbosmart UltraGate38 GenV 38mm External Wastegate\u003c\/h1\u003e\n\u003cp data-end=\"1060\" data-start=\"896\"\u003eIf you’re searching for a \u003cstrong data-end=\"940\" data-start=\"922\"\u003e38mm wastegate\u003c\/strong\u003e, a \u003cstrong data-end=\"974\" data-start=\"944\"\u003ecompact external wastegate\u003c\/strong\u003e, or the \u003cstrong data-end=\"998\" data-start=\"983\"\u003eUltraGate38\u003c\/strong\u003e, this is the proven starting point for serious boost control.\u003c\/p\u003e\n\u003cp data-end=\"1270\" data-start=\"1062\"\u003eThe Turbosmart UltraGate38 GenV is a compact 38mm external wastegate designed for smaller turbochargers, responsive street builds and tight engine bay installations where space matters as much as performance.\u003c\/p\u003e\n\u003cp data-end=\"1415\" data-start=\"1272\"\u003eAt Walton Motorsport, the 38mm is commonly specified for small frame turbo setups, fast spool applications and clean, compact manifold designs.\u003c\/p\u003e\n\u003ch3 data-end=\"1461\" data-start=\"1422\" data-section-id=\"1tghxbq\"\u003eWhy Choose a 38mm External Wastegate?\u003c\/h3\u003e\n\u003cp data-end=\"1494\" data-start=\"1463\"\u003eA 38mm wastegate is ideal when:\u003c\/p\u003e\n\u003cp data-end=\"1682\" data-start=\"1496\"\u003e• Turbocharger size is small\u003cbr data-end=\"1527\" data-start=\"1524\"\u003e• Engine bay packaging is tight\u003cbr data-end=\"1561\" data-start=\"1558\"\u003e• Fast boost response is prioritised\u003cbr data-end=\"1600\" data-start=\"1597\"\u003e• Moderate horsepower targets are planned\u003cbr data-end=\"1644\" data-start=\"1641\"\u003e• Simplicity and reliability are key\u003c\/p\u003e\n\u003cp data-end=\"1823\" data-start=\"1684\"\u003eIt offers excellent boost control authority for appropriately sized turbo systems without the footprint of larger 40mm, 45mm or 50mm gates.\u003c\/p\u003e\n\u003cp data-end=\"1944\" data-start=\"1825\"\u003eCorrect sizing is about matching exhaust bypass capacity to turbo flow — not simply fitting the biggest gate available.\u003c\/p\u003e\n\u003ch3 data-end=\"1970\" data-start=\"1951\" data-section-id=\"1r0kxy8\"\u003eThe GenV Redesign\u003c\/h3\u003e\n\u003cp data-end=\"2050\" data-start=\"1972\"\u003eThe GenV UltraGate38 is a ground-up re-engineering of the previous generation.\u003c\/p\u003e\n\u003cp data-end=\"2153\" data-start=\"2052\"\u003eThe only feature retained from Gen4 is the mounting orientation to allow direct replacement upgrades.\u003c\/p\u003e\n\u003cp data-end=\"2271\" data-start=\"2155\"\u003eEverything else was redesigned using CFD modelling and validated in-house for improved flow and thermal performance.\u003c\/p\u003e\n\u003ch3 data-end=\"2293\" data-start=\"2278\" data-section-id=\"1ma7m6t\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-end=\"2604\" data-start=\"2295\"\u003e• Class-leading thermal performance\u003cbr data-end=\"2333\" data-start=\"2330\"\u003e• CFD-optimised and flow bench validated design\u003cbr data-end=\"2383\" data-start=\"2380\"\u003e• Nitronic 60 valve guide\u003cbr data-end=\"2411\" data-start=\"2408\"\u003e• High-temperature 347 stainless steel body\u003cbr data-end=\"2457\" data-start=\"2454\"\u003e• 17-7 PH stainless steel springs\u003cbr data-end=\"2493\" data-start=\"2490\"\u003e• Modular actuator housing with 360° rotation\u003cbr data-end=\"2541\" data-start=\"2538\"\u003e• Optional liquid cooling ports\u003cbr data-end=\"2575\" data-start=\"2572\"\u003e• Collar-locking cap system\u003c\/p\u003e\n\u003cp data-end=\"2729\" data-start=\"2606\"\u003eThe result is improved heat resistance, better fatigue durability and consistent boost control under real-world conditions.\u003c\/p\u003e\n\u003ch3 data-end=\"2764\" data-start=\"2736\" data-section-id=\"duek0t\"\u003eCompact Control That Works\u003c\/h3\u003e\n\u003cp data-end=\"2804\" data-start=\"2766\"\u003eA properly sized 38mm wastegate helps:\u003c\/p\u003e\n\u003cp data-end=\"3006\" data-start=\"2806\"\u003e• Prevent boost creep on small turbine housings\u003cbr data-end=\"2856\" data-start=\"2853\"\u003e• Maintain stable base boost pressure\u003cbr data-end=\"2896\" data-start=\"2893\"\u003e• Improve turbo response\u003cbr data-end=\"2923\" data-start=\"2920\"\u003e• Deliver predictable boost targets\u003cbr data-end=\"2961\" data-start=\"2958\"\u003e• Support reliable daily-driven performance\u003c\/p\u003e\n\u003cp data-end=\"3093\" data-start=\"3008\"\u003eIt’s often the perfect solution for responsive road builds and compact turbo systems.\u003c\/p\u003e\n\u003ch3 data-end=\"3137\" data-start=\"3100\" data-section-id=\"1kx4st6\"\u003eDirect Upgrade for Gen4 UltraGate38\u003c\/h3\u003e\n\u003cp data-end=\"3219\" data-start=\"3139\"\u003eThe inlet and outlet mounting orientation remains unchanged from Gen4, allowing:\u003c\/p\u003e\n\u003cp data-end=\"3327\" data-start=\"3221\"\u003e• Straightforward upgrades\u003cbr data-end=\"3250\" data-start=\"3247\"\u003e• Compatibility with existing manifolds\u003cbr data-end=\"3292\" data-start=\"3289\"\u003e• No redesign of flanges required\u003c\/p\u003e\n\u003cp data-end=\"3357\" data-start=\"3329\"\u003eNew internals. Same fitment.\u003c\/p\u003e\n\u003ch3 data-end=\"3392\" data-start=\"3364\" data-section-id=\"13xiwd1\"\u003eWhat’s Included in the Box\u003c\/h3\u003e\n\u003cp data-end=\"3624\" data-start=\"3394\"\u003e• GenV UltraGate38 Wastegate\u003cbr data-end=\"3425\" data-start=\"3422\"\u003e• Full spring kit (3, 5, 7, 14 psi)\u003cbr data-end=\"3463\" data-start=\"3460\"\u003e• One spring pre-installed\u003cbr data-end=\"3492\" data-start=\"3489\"\u003e• SS316 valve seat\u003cbr data-end=\"3513\" data-start=\"3510\"\u003e• Inlet and outlet weld flanges\u003cbr data-end=\"3547\" data-start=\"3544\"\u003e• Collar locking tool\u003cbr data-end=\"3571\" data-start=\"3568\"\u003e• 1\/8” NPT plugs and fittings\u003cbr data-end=\"3603\" data-start=\"3600\"\u003e• Mounting hardware\u003c\/p\u003e\n\u003cp data-end=\"3675\" data-start=\"3626\"\u003eEverything required for installation is included.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003eDo I need to use the liquid cooling ports?\u003c\/h3\u003e\n\u003cp data-end=\"3768\" data-start=\"3765\"\u003eNo.\u003c\/p\u003e\n\u003cp data-end=\"3914\" data-start=\"3770\"\u003eLiquid cooling is optional and typically only required for extreme endurance applications or tightly packaged environments with minimal airflow.\u003c\/p\u003e\n\u003cp data-end=\"3946\" data-start=\"3916\"\u003eThe GenV already incorporates:\u003c\/p\u003e\n\u003cp data-end=\"4059\" data-start=\"3948\"\u003e• CFD-optimised heat management\u003cbr data-end=\"3982\" data-start=\"3979\"\u003e• Thermal isolating ceramic spacers\u003cbr data-end=\"4020\" data-start=\"4017\"\u003e• A highly thermally stable diaphragm\u003c\/p\u003e\n\u003cp data-end=\"4139\" data-start=\"4061\"\u003eFor most street and performance applications, liquid cooling is not necessary.\u003c\/p\u003e\n\u003chr data-end=\"4144\" data-start=\"4141\"\u003e\n\u003ch3 data-end=\"4186\" data-start=\"4146\" data-section-id=\"ru32m4\"\u003eCan the actuator housing be rotated?\u003c\/h3\u003e\n\u003cp data-end=\"4192\" data-start=\"4188\"\u003eYes.\u003c\/p\u003e\n\u003cp data-end=\"4250\" data-start=\"4194\"\u003eThe GenV UltraGate38 allows full 360° actuator rotation.\u003c\/p\u003e\n\u003cp data-end=\"4382\" data-start=\"4252\"\u003eThis provides flexibility when routing boost reference lines and helps avoid running hoses near heat sources like turbo manifolds.\u003c\/p\u003e\n\u003cp data-end=\"4431\" data-start=\"4384\"\u003eIt also allows cleaner engine bay presentation.\u003c\/p\u003e\n\u003chr data-end=\"4436\" data-start=\"4433\"\u003e\n\u003ch3 data-end=\"4490\" data-start=\"4438\" data-section-id=\"cqnrjp\"\u003eWill the GenV UltraGate38 fit where my Gen4 did?\u003c\/h3\u003e\n\u003cp data-end=\"4496\" data-start=\"4492\"\u003eYes.\u003c\/p\u003e\n\u003cp data-end=\"4590\" data-start=\"4498\"\u003eThe inlet and outlet orientation remains identical to Gen4 for direct upgrade compatibility.\u003c\/p\u003e\n\u003chr data-end=\"4595\" data-start=\"4592\"\u003e\n\u003ch3 data-end=\"4631\" data-start=\"4597\" data-section-id=\"1fdyppz\"\u003eHow do I change the spring(s)?\u003c\/h3\u003e\n\u003cp data-end=\"4675\" data-start=\"4633\"\u003eThe GenV uses a collar-locking cap system.\u003c\/p\u003e\n\u003cp data-end=\"4789\" data-start=\"4677\"\u003eYou must use the supplied collar tool and apply downward pressure to the cap before removing the locking collar.\u003c\/p\u003e\n\u003cp data-end=\"4851\" data-start=\"4791\"\u003eThis improves vibration resistance and long-term durability.\u003c\/p\u003e\n\u003cp data-end=\"4893\" data-start=\"4853\"\u003eAlways follow installation instructions.\u003c\/p\u003e\n\u003chr data-end=\"4898\" data-start=\"4895\"\u003e\n\u003ch3 data-end=\"4944\" data-start=\"4900\" data-section-id=\"12liet9\"\u003eWhat size are the boost reference ports?\u003c\/h3\u003e\n\u003cp data-end=\"5013\" data-start=\"4946\"\u003eAll boost reference and optional liquid cooling ports are 1\/8” NPT.\u003c\/p\u003e\n\u003cp data-end=\"5112\" data-start=\"5015\"\u003eStainless hose tail fittings are included, and -3AN or -4AN motorsport plumbing can also be used.\u003c\/p\u003e\n\u003chr data-end=\"5117\" data-start=\"5114\"\u003e\n\u003ch3 data-end=\"5152\" data-start=\"5119\" data-section-id=\"13nfye0\"\u003eIs a 38mm Wastegate Big Enough?\u003c\/h3\u003e\n\u003cp data-end=\"5194\" data-start=\"5154\"\u003eFor many responsive street builds — yes.\u003c\/p\u003e\n\u003cp data-end=\"5245\" data-start=\"5196\"\u003eA 38mm external wastegate is typically suited to:\u003c\/p\u003e\n\u003cp data-end=\"5381\" data-start=\"5247\"\u003e• Small turbochargers\u003cbr data-end=\"5271\" data-start=\"5268\"\u003e• 250–500hp systems (application dependent)\u003cbr data-end=\"5317\" data-start=\"5314\"\u003e• Fast spool applications\u003cbr data-end=\"5345\" data-start=\"5342\"\u003e• Compact engine bay installations\u003c\/p\u003e\n\u003cp data-end=\"5521\" data-start=\"5383\"\u003eIf you’re unsure whether 38mm, 40mm, 45mm or larger is correct for your turbocharger and manifold combination, contact us before ordering.\u003c\/p\u003e\n\u003cp data-end=\"5586\" data-start=\"5523\"\u003eBoost control is system engineering — not just parts selection.\u003c\/p\u003e\n\u003chr data-end=\"5591\" data-start=\"5588\"\u003e\n\u003ch3 data-end=\"5626\" data-start=\"5593\" data-section-id=\"8e8uw9\"\u003eWhy Buy From Walton Motorsport?\u003c\/h3\u003e\n\u003cp data-end=\"5673\" data-start=\"5628\"\u003eWe don’t simply resell Turbosmart components.\u003c\/p\u003e\n\u003cp data-end=\"5736\" data-start=\"5675\"\u003eAs a UK-based turbo manifold manufacturer, we understand how:\u003c\/p\u003e\n\u003cp data-end=\"5837\" data-start=\"5738\"\u003e• Manifold runner placement\u003cbr data-end=\"5768\" data-start=\"5765\"\u003e• Collector design\u003cbr data-end=\"5789\" data-start=\"5786\"\u003e• Turbine housing A\/R\u003cbr data-end=\"5813\" data-start=\"5810\"\u003e• Exhaust backpressure\u003c\/p\u003e\n\u003cp data-end=\"5884\" data-start=\"5839\"\u003e…directly influence correct wastegate sizing.\u003c\/p\u003e\n\u003cp data-end=\"5951\" data-start=\"5886\"\u003eIf you want the right gate for your system — ask before ordering.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Turbosmart","offers":[{"title":"Black \/ 7psi","offer_id":48881199808842,"sku":"TS-0551-1002","price":383.94,"currency_code":"GBP","in_stock":true},{"title":"Blue \/ 14psi","offer_id":61298221121866,"sku":"TS-0551-1011","price":383.94,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 14psi","offer_id":61298221154634,"sku":"TS-0551-1012","price":383.94,"currency_code":"GBP","in_stock":true},{"title":"Purple \/ 14psi","offer_id":61298221187402,"sku":"TS-0551-1013","price":383.94,"currency_code":"GBP","in_stock":true},{"title":"Red \/ 14psi","offer_id":61298221220170,"sku":"TS-0551-1014","price":383.94,"currency_code":"GBP","in_stock":true},{"title":"Sleeper \/ 14psi","offer_id":61298221252938,"sku":"TS-0551-1015","price":389.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9602\/5418\/files\/TS-0551-1012-Top.jpg?v=1772347456"},{"product_id":"turbosmart-genv-wg40-compgate40hp-35psi","title":"Turbosmart GenV WG40 CompGate40HP 35psi Black (TS-0552-1312)","description":"p\u0026gt;\u003cp\u003eThe GenV CompGate40 HP external wastegate is a Motorsport-proven, cost-effective 40mm external wastegate with base spring pressure options of up to 50 psi! Add some reference signal manipulation, and you have a serious boost! The GenV provides extensive user configurability, world-leading extended thermal performance, fatigue resistance and best-in-class flow performance for optimum control and longevity.\u003cbr\u003e\u003cbr\u003eThe GenV External Wastegate from Turbosmart was a ground-up rework of a classic, and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate. \u003cbr\u003e\u003cbr\u003eA direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap and base for easy, 360-degree optional routing of reference hoses, strap-type V-band clamps, optional liquid-cooling provision and 1\/8? NPT reference ports.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAvailable In\u003c\/strong\u003e\u003cbr\u003e38mm GenV UltraGate38HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/genv-ultragate38hp-high-pressure-35psi-external-wastegate-black\/\"\u003eTS-0551-1312\u003c\/a\u003e\u003cbr\u003e40mm GenV CompGate40HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/ts-0552-1312\/\"\u003eTS-0552-1312\u003c\/a\u003e\u003cbr\u003e45mm GenV Hyperflow45HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/ts-0553-1312\/\"\u003eTS-0553-1312\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003eHP Actuator - Up to 50psi Base Pressure\u003cbr\u003eClass Leading Thermal Performance \u003cbr\u003eClass Leading CFD and Bench-Validated Flow Performance\u003cbr\u003eClass Leading Fatigue Resistance\u003cbr\u003eOptional Actuator Liquid Cooling\u003cbr\u003eRotatable \/ Clockable Actuator Housing\u003cbr\u003eNitronic 60 Valve Guide and High Temp 347 SS Body\u003cbr\u003e17-7 PH Stainless Steel Springs\u003cbr\u003eStrap Type V-band clamps\u003c\/p\u003e","brand":"Turbosmart","offers":[{"title":"Default Title","offer_id":48882474942794,"sku":"TS-0552-1312","price":551.94,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9602\/5418\/files\/TS-0552-1312.jpg?v=1750177205"},{"product_id":"turbosmart-genv-hypergate45hp-35psi","title":"Turbosmart GenV HyperGate45HP 35psi Black (TS-0553-1312)","description":"p\u0026gt;The GenV HyperGate45 HP external wastegate is a motorsport-proven, cost-effective 45mm external wastegate with base spring pressure options of up to 50psi! Add some reference signal manipulation, and you have a serious boost! The GenV provides extensive user configurability, world-leading extended thermal performance, fatigue resistance and best-in-class flow performance for optimum control and longevity. \n\u003cbr\u003e \n\u003cbr\u003e \nThe GenV External Wastegate from Turbosmart was a ground-up rework of a classic and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate.  \n\u003cbr\u003e \n\u003cbr\u003e \nA direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap and base for easy, 360-degree optional routing of reference hoses, strap-type V-band clamps, optional liquid-cooling provision and 1\/8? NPT reference ports. \n\u003cbr\u003e \n\u003cbr\u003e \n\u003cb\u003eAvailable In\u003c\/b\u003e \n\u003cbr\u003e \n38mm GenV UltraGate38HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/genv-ultragate38hp-high-pressure-35psi-external-wastegate-black\/\"\u003eTS-0551-1312\u003c\/a\u003e \n40mm GenV CompGate40HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/ts-0552-1312\/\"\u003eTS-0552-1312\u003c\/a\u003e \n45mm GenV Hyperflow45HP - \u003ca href=\"https:\/\/www.turbosmart.com\/product\/ts-0553-1312\/\"\u003eTS-0553-1312\u003c\/a\u003e \n\u003cbr\u003e \n\u003cbr\u003e \n\u003cb\u003eFeatures\u003c\/b\u003e \nHP Actuator - Up to 50psi Base Pressure \nClass Leading Thermal Performance \nClass Leading CFD and Bench-Validated Flow Performance \nClass Leading Fatigue Resistance \nOptional Actuator Liquid Cooling \nRotatable \/ Clockable Actuator Housing \nNitronic 60 Valve Guide and High Temp 347 SS Body \n17-7 PH Stainless Steel Springs \nStrap Type V-band clamps","brand":"Turbosmart","offers":[{"title":"Default Title","offer_id":48882475336010,"sku":"TS-0553-1312","price":563.94,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9602\/5418\/files\/TS-0553-1312.jpg?v=1750177195"}],"url":"https:\/\/waltonmotorsport.com\/collections\/38mm-external-wastegates.oembed","provider":"Walton Motorsport","version":"1.0","type":"link"}