{"title":"Blow Off Valves\/ Waste Gates","description":"\u003cp\u003eGranatelli Motor Sports’ Blow Off Valves and Wastegates category highlights a focused lineup of universal turbo-control components engineered to stabilize boost pressure and protect high-performance engines. Product options like the 50MM Water-Cooled Diaphragm Wastegate (540202), the 60MM Piston-Actuated Wastegate (540260), and the Ultra High-Flow 50MM Blow Off Valve (540201), each designed to vent excess boost, prevent compressor surge, and keep turbochargers operating efficiently under load. These components play a critical role in maintaining consistent power delivery, improving throttle response, and reducing stress on both the turbo and engine. When a wastegate sticks closed or a blow-off valve fails to open, the system can experience uncontrolled over-boost, turbo overspeed, or damaging pressure spikes. Issues that can lead to premature turbo failure or even catastrophic engine damage. By choosing durable, race-proven parts like the water-cooled diaphragm designs and high-flow BOVs featured here, you can be ensured that your turbo system stays reliable, responsive, and protected mile after mile.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"i-30501180-granatelli-motor-sports-50mm-bov-blow-off-valve-540200","title":"Granatelli Motor Sports 50MM BOV - Blow Off Valve 540200","description":"\u003ch1\u003eGranatelli Motor Sports 50MM Blow Off Valve – Adjustable Turbo Performance BOV (540200)\u003c\/h1\u003e\n\n\u003cp\u003eEnhance your turbocharged engine’s performance with the \u003cstrong\u003eGranatelli 50MM Blow Off Valve (BOV)\u003c\/strong\u003e. Designed for street, track, and custom turbo setups, this high-performance valve ensures rapid boost venting, reduces compressor surge, and improves throttle response.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Granatelli 50MM Blow Off Valve\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal 50MM BOV Design:\u003c\/strong\u003e Compatible with most turbocharged engines and aftermarket turbo systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdjustable Boost Control:\u003c\/strong\u003e Includes +6 psi and +15 psi springs for tuning blow-off response to your boost setup.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized Valve Lift:\u003c\/strong\u003e 0.340\" lift for rapid pressure release, protecting your turbo and enhancing throttle response.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Billet Aluminum Construction:\u003c\/strong\u003e Corrosion-resistant and built to last in high-performance applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eV-Band and Weld Flange Included:\u003c\/strong\u003e Simplifies installation on custom or aftermarket turbo systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBenefits of Installing Granatelli 50MM BOV\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003ePrevents turbo compressor surge for longer turbo life and consistent boost.\u003c\/li\u003e\n    \u003cli\u003eEnhances throttle response and overall engine performance.\u003c\/li\u003e\n    \u003cli\u003eDurable construction withstands high boost and heat conditions.\u003c\/li\u003e\n    \u003cli\u003eCustomizable spring settings for street, track, or high-boost builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eTurbocharged street vehicles\u003c\/li\u003e\n    \u003cli\u003eTrack and race cars\u003c\/li\u003e\n    \u003cli\u003eCustom turbo builds and aftermarket installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003ePart Number: 540200\u003c\/li\u003e\n    \u003cli\u003eValve Size: 50MM\u003c\/li\u003e\n    \u003cli\u003eAdjustable Spring Options: +6 psi and +15 psi\u003c\/li\u003e\n    \u003cli\u003eValve Lift: 0.340\"\u003c\/li\u003e\n    \u003cli\u003eMaterial: Billet Aluminum\u003c\/li\u003e\n    \u003cli\u003eIncludes: V-Band and Weld Flange\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose Granatelli Motor Sports Blow Off Valves?\u003c\/h2\u003e\n\u003cp\u003eGranatelli Motor Sports is a trusted name in high-performance turbo components. The 50MM Blow Off Valve delivers superior boost control, faster throttle response, and protection against compressor surge. Per\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46910324342940,"sku":"540200","price":74.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198646377.jpg?v=1779219252"},{"product_id":"i-30501181-granatelli-motor-sports-50mm-bov-ultra-high-flow-blow-off-valve-540201","title":"Granatelli Motor Sports 50MM BOV - Ultra High Flow Blow Off Valve 540201","description":"\u003ch2\u003e50MM Ultra High Flow Blow Off Valve\u003c\/h2\u003e\n\u003ch2\u003eSKU: 540201\u003c\/h2\u003e\n\u003cp\u003eThe Granatelli 50MM Ultra High Flow Blow Off Valve isn’t just a part — it’s protection, performance, and pure turbocharged attitude in one sleek package. Whether you're chasing peak numbers on the dyno or holding the line at full throttle, this BOV is engineered to handle serious pressure. The oversized 50mm valve and massive 0.625\" lift allow for lightning-fast pressure release, reducing compressor surge and keeping your turbocharger safe — while unleashing that crisp, unmistakable turbo blow-off sound. With its black anodized finish, this valve doesn't just perform — it looks the part too. It’s corrosion-resistant, track-tested, and street-proven. Swap between the included 6 psi and 15 psi springs to dial in your setup for street or strip.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s in the box: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• 1x 50MM Ultra High Flow Blow Off Valve\u003c\/p\u003e\n\u003cp\u003e• 1x 6 psi Spring (perfect for daily \u0026amp; mild boost setups)\u003c\/p\u003e\n\u003cp\u003e• 1x 15 psi Spring (ideal for high-boost applications). Whether you're building a track monster or a weekend warrior, this is the blow-off valve that lets your turbo breathe, and your engine scream. More boost. Less surge. All power. Upgrade with confidence\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46910324408476,"sku":"540201","price":209.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198646628.png?v=1779219253"},{"product_id":"i-30501183-granatelli-motor-sports-50mm-wastegate-piston-actuated-design","title":"Granatelli Motor Sports 50MM Wastegate - Piston Actuated Design","description":"\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eGranatelli Motor Sports 50mm Piston-Actuated Wastegate\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eSKU: 540203\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eEngineered for Serious Performance and The Ultimate Boost Control Solution\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eEngineered for Serious Performance Turbocharged applications that demand \u003cstrong\u003epower, consistency and reliability.\u003c\/strong\u003e The Granatelli Piston Style wastegate is the Go-To choice for drag racing, performance street driving and even bad boy diesel builds.  When it comes to perfect boost control, Granatelli delivers.  The included V-Band flanges and clamps for both the inlet and outlet make installation straight forward.  The supplied \u003cstrong\u003eFive Spring Kit\u003c\/strong\u003e allows you to fine tune your boost settings right out of the box.  These various size springs can be combined for the desired boost pressures. \u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003ePiston-Actuated Advantage\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlike diaphragm-style units, the piston-actuated design provides \u003cstrong\u003etighter boost regulation and longer service life in the most extreme conditions.\u003c\/strong\u003e The \u003cstrong\u003eblack anodized billet aluminum top cap\u003c\/strong\u003e resists corrosion, while the \u003cstrong\u003estainless steel base with natural finish\u003c\/strong\u003e withstands high heat and pressure.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eSimple Installation \u0026amp; Adjustability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstallation is straightforward with the included \u003cstrong\u003eV-Band inlet and outlet flanges with clamps\u003c\/strong\u003e. The supplied \u003cstrong\u003eFive Spring Kit\u003c\/strong\u003e allows you to fine tune your boost settings right out of the box. These various size springs can be combined for the desired boost pressures. Performance Wastegate, Mechanical, 50mm Piston style, Cast Stainless Base, Black Anodized Aluminum Top Cap. Each unit includes Five Springs: One 4.2psi spring (installed inside) and one 4.1psi spring (installed inside) for a combined factory setting of 8.3 psi. An additional three springs are included, Black is 4.7psi (30mm dia. X 64mm), Yellow is 6.7 (40mm dia. X 64mm) and Red is 12.7 (40mm dia. X 64mm) Customers can combine the spring pressure they want.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrue 50mm valve diameter for maximum exhaust flow\u003c\/li\u003e\n\u003cli\u003ePiston-actuated system for precise and stable boost control\u003c\/li\u003e\n\u003cli\u003eBlack anodized billet aluminum cap for strength and sleek style\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel base with natural finish\u003c\/li\u003e\n\u003cli\u003eIncludes V-Band inlet\/outlet flanges and clamps\u003c\/li\u003e\n\u003cli\u003eIncluded five variable rate springs all for fine tuning of desired boost levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eUltimate Boost Control Solution\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineered for turbocharged applications that demand power, consistency, and reliability, this wastegate is the go-to choice for drag racing, performance street cars, and diesel builds. When boost control matters most, Granatelli delivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Hidden SEO \/ Meta tags --\u003e\n\u003cdiv style=\"display: none !important; visibility: hidden;\"\u003e \u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46910324539548,"sku":"540203","price":254.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198650492.webp?v=1779219254"},{"product_id":"i-30501294-granatelli-motor-sports-60mm-wastegate-piston-actuated-design","title":"Granatelli Motor Sports 60MM Wastegate - Piston Actuated Design","description":"\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eGranatelli Motor Sports 60mm Piston-Actuated Wastegate\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eSKU: 540260\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eEngineered for Serious Performance and The Ultimate Boost Control Solution\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eEngineered for Serious Performance Turbocharged applications that demand \u003cstrong\u003epower, consistency and reliability.\u003c\/strong\u003e The Granatelli Piston Style wastegate is the Go-To choice for drag racing, performance street driving and even bad boy diesel builds.  When it comes to perfect boost control, Granatelli delivers.  The included V-Band flanges and clamps for both the inlet and outlet make installation straight forward.  The supplied \u003cstrong\u003eFive Spring Kit\u003c\/strong\u003e allows you to fine tune your boost settings right out of the box.  These various size springs can be combined for the desired boost pressures. \u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003ePiston-Actuated Advantage\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlike diaphragm-style units, the piston-actuated design provides \u003cstrong\u003etighter boost regulation and longer service life in the most extreme conditions.\u003c\/strong\u003e The \u003cstrong\u003eblack anodized billet aluminum top cap\u003c\/strong\u003e resists corrosion, while the \u003cstrong\u003estainless steel base with natural finish\u003c\/strong\u003e withstands high heat and pressure.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eSimple Installation \u0026amp; Adjustability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstallation is straightforward with the included \u003cstrong\u003eV-Band inlet and outlet flanges with clamps\u003c\/strong\u003e. The supplied \u003cstrong\u003eFive Spring Kit\u003c\/strong\u003e allows you to fine tune your boost settings right out of the box. These various size springs can be combined for the desired boost pressures. Performance Wastegate, Mechanical, 60mm Piston style, Cast Stainless Base, Black Anodized Aluminum Top Cap. Each unit includes Five Springs: One 4.2psi spring (installed inside) (30mm dia. X 64mm), and one 4.1psi spring (installed inside) (40mm dia. X 64mm) for a combined factory setting of 8.3 psi. An additional three springs are included, Black is 4.7psi (30mm dia. X 64mm), Yellow is 6.7 (40mm dia. X 64mm) and Red is 12.7 (40mm dia. X 64mm) Customers can combine for the spring pressure they want\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrue 60mm valve diameter for maximum exhaust flow\u003c\/li\u003e\n\u003cli\u003ePiston-actuated system for precise and stable boost control\u003c\/li\u003e\n\u003cli\u003eBlack anodized billet aluminum cap for strength and sleek style\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel base with natural finish\u003c\/li\u003e\n\u003cli\u003eIncludes V-Band inlet\/outlet flanges and clamps\u003c\/li\u003e\n\u003cli\u003eIncluded five variable rate springs all for fine tuning of desired boost levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eUltimate Boost Control Solution\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineered for turbocharged applications that demand power, consistency, and reliability, this wastegate is the go-to choice for drag racing, performance street cars, and diesel builds. When boost control matters most, Granatelli delivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Hidden SEO \/ Meta tags --\u003e\n\u003cdiv style=\"display: none !important; visibility: hidden;\"\u003e \u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46910324670620,"sku":"540260","price":264.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198650491.webp?v=1779219257"},{"product_id":"i-30501182-granatelli-motor-sports-water-cooled-diaphragm-design-50mm-wastegate-part-540202","title":"Granatelli Motor Sports Water Cooled Diaphragm Design 50MM Wastegate Part # 540202","description":"\u003ch2\u003e\u003cb\u003eGranatelli Motor Sports Water-Cooled Diaphragm Wastegate – 50mm\u003c\/b\u003e\u003c\/h2\u003e\n\n\u003ch2\u003e\u003cb\u003eSKU: 540202\u003c\/b\u003e\u003c\/h2\u003e\n\n\u003ch3\u003e\u003cb\u003eEngineered for Maximum Stability, Cooler Operation, and Rock-Solid Boost Control\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eWhen you're pushing serious boost, heat becomes your biggest enemy. Granatelli’s water-cooled diaphragm wastegate eliminates that weakness by circulating coolant through the diaphragm housing, keeping temperatures stable and performance consistent. The result? Harder runs, tighter regulation, and a wastegate that doesn’t flinch when the heat is on.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for drag racing, high-performance street use, and heavy-hitting diesel setups, this 44mm wastegate delivers the reliability and precision your build deserves.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eWater-Cooled Diaphragm Advantage\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eTraditional wastegates struggle as temperatures climb. This water-cooled diaphragm system stays thermally stable under extreme exhaust heat, giving you:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConsistent boost control on hot laps\u003c\/li\u003e\n\u003cli\u003eMore accurate boost regulation\u003c\/li\u003e\n\u003cli\u003eLonger diaphragm life\u003c\/li\u003e\n\u003cli\u003eReduced boost creep in high-heat environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA black anodized billet aluminum cap and a natural-finish stainless steel base complete a design built to take abuse without missing a beat.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eStraightforward Installation \u0026amp; Full Adjustability\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is simple with the included V-Band inlet and outlet flanges and clamps. The wastegate comes with two pre-installed springs—4 PSI and 5.7 PSI—giving you a ready-to-run baseline right out of the box. Wastegate includes inlet and outlet flanges with clamps and a spring kit. The spring kit contains five springs: One inner spring 5.7 psi (30mm dia. X 64mm tall) and an outer spring 4.0 psi (38mm dia. X 64mm tall) installed. Three additional springs are included, Red is 4.5 psi (28mm dia. X 60mm tall), Yellow\/Orange is 12 psi (48mm dia. X 100mm tall) and a Green spring, 6.5 psi (58mm dia. X 78mm tall). These can be can combined for the desired boost levels. Also includes water line fittings\u003c\/p\u003e\n\n\u003cp\u003eThe additional springs in the Five-Spring Kit include 4-5 PSI, 6-7 PSI, and 12-13 PSI options. Mix, match, and stack to achieve your exact boost pressure. No guesswork. No compromise.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eTrue 50mm valve diameter for maximum exhaust flow\u003c\/li\u003e\n\u003cli\u003eWater-cooled diaphragm housing for unmatched thermal stability\u003c\/li\u003e\n\u003cli\u003ePrecise, consistent boost control under extreme conditions\u003c\/li\u003e\n\u003cli\u003eBlack anodized billet aluminum top cap for durability and a stealth finish\u003c\/li\u003e\n\u003cli\u003eHeavy-duty stainless steel base with natural finish\u003c\/li\u003e\n\u003cli\u003eIncludes V-Band inlet\/outlet flanges and clamps\u003c\/li\u003e\n\u003cli\u003eFive-spring kit included, with 4 PSI and 5.7 PSI pre-installed plus 4-5 PSI, 6-7 PSI, and 12-13 PSI springs for fine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eThe Ultimate Boost Control Solution\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eIf you demand power, predictability, and hardware that stays locked in under brutal heat, this is your wastegate. Built for racers, street warriors, and diesel brutes alike, Granatelli’s water-cooled diaphragm wastegate delivers when controlling boost isn’t optional—it’s mission-critical.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46913442709660,"sku":"540202","price":114.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198650583.jpg?v=1779219775"},{"product_id":"i-30501302-granatelli-motor-sports-water-cooled-diaphragm-design-60mm-wastegate-part-540259","title":"Granatelli Motor Sports Water Cooled Diaphragm Design 60MM Wastegate Part # 540259","description":"\u003ch2\u003e\u003cb\u003eGranatelli Motor Sports Water-Cooled Diaphragm Wastegate – 60mm\u003c\/b\u003e\u003c\/h2\u003e\n\n\u003ch2\u003e\u003cb\u003eSKU: 540259\u003c\/b\u003e\u003c\/h2\u003e\n\n\u003ch3\u003e\u003cb\u003eEngineered for Maximum Stability, Cooler Operation, and Rock-Solid Boost Control\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eWhen you're pushing serious boost, heat becomes your biggest enemy. Granatelli’s water-cooled diaphragm wastegate eliminates that weakness by circulating coolant through the diaphragm housing, keeping temperatures stable and performance consistent. The result? Harder runs, tighter regulation, and a wastegate that doesn’t flinch when the heat is on.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for drag racing, high-performance street use, and heavy-hitting diesel setups, this 44mm wastegate delivers the reliability and precision your build deserves.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eWater-Cooled Diaphragm Advantage\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eTraditional wastegates struggle as temperatures climb. This water-cooled diaphragm system stays thermally stable under extreme exhaust heat, giving you:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConsistent boost control on hot laps\u003c\/li\u003e\n\u003cli\u003eMore accurate boost regulation\u003c\/li\u003e\n\u003cli\u003eLonger diaphragm life\u003c\/li\u003e\n\u003cli\u003eReduced boost creep in high-heat environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA black anodized billet aluminum cap and a natural-finish stainless steel base complete a design built to take abuse without missing a beat.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eStraightforward Installation \u0026amp; Full Adjustability\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is simple with the included V-Band inlet and outlet flanges and clamps. The wastegate comes with two pre-installed springs—4 PSI and 5.7 PSI—giving you a ready-to-run baseline right out of the box. Wastegate includes inlet and outlet flanges with clamps and a spring kit. The spring kit contains five springs: One inner spring 5.7 psi (30mm dia. X 64mm tall) and an outer spring 4.0 psi (38mm dia. X 64mm tall) installed. Three additional springs are included, Red is 4.5 psi (28mm dia. X 60mm tall), Yellow\/Orange is 12 psi (48mm dia. X 100mm tall) and a Green spring, 6.5 psi (58mm dia. X 78mm tall). These can be can combined for the desired boost levels. Also includes water line fittings.\u003c\/p\u003e\n\n\u003cp\u003eThe additional springs in the Five-Spring Kit include 4-5 PSI, 6-7 PSI, and 12-13 PSI options. Mix, match, and stack to achieve your exact boost pressure. No guesswork. No compromise.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eTrue 60mm valve diameter for maximum exhaust flow\u003c\/li\u003e\n\u003cli\u003eWater-cooled diaphragm housing for unmatched thermal stability\u003c\/li\u003e\n\u003cli\u003ePrecise, consistent boost control under extreme conditions\u003c\/li\u003e\n\u003cli\u003eBlack anodized billet aluminum top cap for durability and a stealth finish\u003c\/li\u003e\n\u003cli\u003eHeavy-duty stainless steel base with natural finish\u003c\/li\u003e\n\u003cli\u003eIncludes V-Band inlet\/outlet flanges and clamps\u003c\/li\u003e\n\u003cli\u003eFive-spring kit included, with 4 PSI and 5.7 PSI pre-installed plus 4-5 PSI, 6-7 PSI, and 12-13 PSI springs for fine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eThe Ultimate Boost Control Solution\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eIf you demand power, predictability, and hardware that stays locked in under brutal heat, this is your wastegate. Built for racers, street warriors, and diesel brutes alike, Granatelli’s water-cooled diaphragm wastegate delivers when controlling boost isn’t optional—it’s mission-critical.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46913480884380,"sku":"540259","price":134.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198650590.jpg?v=1779219776"},{"product_id":"i-30501196-granatelli-motor-sports-water-cooleddiaphragm-design44mm-turbo-wastegate-540244","title":"Granatelli Motor Sports Water Cooled Diaphragm Design 44MM Turbo Wastegate #540244","description":"\u003ch1\u003eGranatelli Motor Sports Water-Cooled 44mm Turbo Wastegate – 540244\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGranatelli 44mm Water-Cooled Turbo Wastegate – 540244\u003c\/strong\u003e delivers precise boost control and improved turbo performance for high-performance engines. Designed for street and track use, its water-cooled diaphragm ensures consistent operation under extreme heat.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-Flow 44mm Turbo Wastegate\u003c\/h2\u003e\n\n\u003cul\u003e\n    \u003cli\u003eOptimized for minimal turbo lag and precise boost control\u003c\/li\u003e\n    \u003cli\u003eWater-cooled diaphragm maintains performance under high heat\u003c\/li\u003e\n    \u003cli\u003eDurable construction for long-lasting reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStreet \u0026amp; Track Ready Performance\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003eIdeal for high-performance turbocharged engines\u003c\/li\u003e\n    \u003cli\u003eDirect-fit design for popular turbo setups\u003c\/li\u003e\n    \u003cli\u003eEnhances engine efficiency and responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePrecision Turbo Upgrade\u003c\/h2\u003e\n\n\u003cp\u003eUpgrade your turbo system with the \u003cstrong\u003eGranatelli 540244 Water-Cooled 44mm Turbo Wastegate\u003c\/strong\u003e for reliable boost control, reduced turbo lag, and improved overall performance on both street and track applications.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46913481441436,"sku":"540244","price":108.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198650005.jpg?v=1779219776"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/collections\/F198646454.jpg?v=1778788079","url":"https:\/\/granatellimotorsports.com\/collections\/c-1389368-engine-drivetrain-engine-components-accessories-blow-off-valves-waste-gates.oembed","provider":"Granatellimotorsports","version":"1.0","type":"link"}