{"product_id":"i-30501183-granatelli-motor-sports-50mm-wastegate-piston-actuated-design","title":"Granatelli 50mm Piston-Actuated External Turbo Wastegate with V-Band – 540203","description":"\u003cdiv class=\"gms-boost-product\"\u003e\n\u003cdiv style=\"border:2px solid #777; border-radius:12px; padding:26px; margin-bottom:22px; background:#eeeeee;\"\u003e\n\u003cp class=\"gms-s653\"\u003eGRANATELLI PISTON SERIES\u003c\/p\u003e\n\u003ch2 class=\"gms-s654\"\u003eNO DIAPHRAGM. JUST A PISTON BUILT TO TAKE THE HEAT.\u003c\/h2\u003e\n\u003cp class=\"gms-s241\"\u003eThe \u003cstrong\u003eGranatelli 540203 50mm external turbo wastegate\u003c\/strong\u003e uses a \u003cstrong\u003episton-actuated boost-control design\u003c\/strong\u003e instead of a traditional diaphragm.\u003c\/p\u003e\n\u003cp class=\"gms-s144\"\u003eBuilt for demanding street, drag racing and performance diesel turbo systems, this 50mm piston wastegate combines strong exhaust bypass capacity, V-band installation and adjustable spring tuning in a durable mechanical package.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable class=\"gms-s655\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width:33.3%; padding:18px; border:2px solid #858585; border-radius:10px; text-align:center; background:#e8e8e8;\"\u003e\n\u003cstrong class=\"gms-s341\"\u003e50MM\u003c\/strong\u003e\u003cbr\u003e\u003cspan class=\"gms-s301\"\u003eExternal Wastegate\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width:33.3%; padding:18px; border:2px solid #858585; border-radius:10px; text-align:center; background:#e5e5e5;\"\u003e\n\u003cstrong class=\"gms-s341\"\u003ePISTON\u003c\/strong\u003e\u003cbr\u003e\u003cspan class=\"gms-s301\"\u003eActuation Style\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width:33.3%; padding:18px; border:2px solid #858585; border-radius:10px; text-align:center; background:#e8e8e8;\"\u003e\n\u003cstrong class=\"gms-s341\"\u003eV-BAND\u003c\/strong\u003e\u003cbr\u003e\u003cspan class=\"gms-s301\"\u003eInlet \u0026amp; Outlet\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv class=\"gms-s656\"\u003e\n\u003ch3 class=\"gms-s657\"\u003eWhy Piston Actuation?\u003c\/h3\u003e\n\u003cp class=\"gms-s144\"\u003eInstead of using a flexible diaphragm, this \u003cstrong\u003episton wastegate\u003c\/strong\u003e uses mechanical piston actuation to regulate exhaust bypass flow. It gives turbo builders a different approach to external boost control for high-temperature and high-demand applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gms-s658\"\u003e\n\u003ch3 class=\"gms-s770\"\u003eGood For\u003c\/h3\u003e\n\u003cp class=\"gms-s771\"\u003e✓ High-heat turbo systems • ✓ Street\/strip builds • ✓ Drag racing • ✓ Performance diesel applications • ✓ Builders specifically wanting piston-style boost control\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gms-s659\"\u003e\n\u003ch3 class=\"gms-s135\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable class=\"gms-s117\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#dedede;\"\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003e540203\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003eExternal Turbo Wastegate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#dedede;\"\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eValve Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eActuation Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003ePISTON-ACTUATED\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#dedede;\"\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eBase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003eCast Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eTop Cap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003eBlack Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#dedede;\"\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003eV-Band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"gms-s25\"\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"gms-s25\"\u003eV-Band Flanges, Clamps \u0026amp; Five-Spring Tuning Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gms-s160\"\u003e\n\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e This is the \u003cstrong\u003ePISTON-ACTUATED\u003c\/strong\u003e 50mm external wastegate. It is different from Granatelli’s water-cooled diaphragm-style 50mm wastegate. \u003c\/div\u003e\n\u003c\/div\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eApplication-focused Granatelli Motor Sports design\u003c\/li\u003e\n\u003cli\u003eBuilt for dependable performance and service\u003c\/li\u003e\n\u003cli\u003eDesigned for enthusiasts, professional installers, and performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eFitment \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eConfirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.\u003c\/p\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does a wastegate do?\u003c\/strong\u003e\u003cbr\u003eA wastegate regulates exhaust energy reaching the turbine to help control turbocharger boost pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this work on a modified vehicle?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.\u003c\/p\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":49595466449051,"sku":"GMS-540203","price":267.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/5131\/1259\/files\/540203.png?v=1790008548","url":"https:\/\/sr1performance.com\/products\/i-30501183-granatelli-motor-sports-50mm-wastegate-piston-actuated-design","provider":"SR1 Performance","version":"1.0","type":"link"}