{"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","url":"https:\/\/granatellimotorsports.com\/products\/i-30501302-granatelli-motor-sports-water-cooled-diaphragm-design-60mm-wastegate-part-540259","provider":"Granatellimotorsports","version":"1.0","type":"link"}