{"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","url":"https:\/\/waltonmotorsport.com\/products\/turbosmart-ultragate38-38mm-external-wastegate-genv","provider":"Walton Motorsport","version":"1.0","type":"link"}