{"product_id":"sir-r35-r1150-r1300","title":"SiR R35 R1150 R1300 Ball Bearing Turbo Upgrade","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSiR R1150 \/ R1300 Billet Ball Bearing Turbo Upgrade for Nissan R35 GT-R\u003c\/strong\u003e \u003cstrong\u003e1150–1300+ Wheel Horsepower – Latest Gen 4 Aero, True Bolt-On\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe ultimate stock-manifold turbo upgrade for serious R35 GT-R owners. These SiR R-Series turbos deliver massive power while keeping OEM-like response and daily drivability. Choose between the R1150 (fastest spool) or R1300 (highest peak power).\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual ball-bearing billet CHRA\u003c\/strong\u003e – machined specifically for the Nissan GT-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% OEM oil \u0026amp; water lines\u003c\/strong\u003e – easiest and cleanest install possible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet 1-bar or 1.4-bar wastegate actuators\u003c\/strong\u003e with dual O-ring seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNext-gen high-flow Inconel 718 turbine wheel\u003c\/strong\u003e – low backpressure + excellent response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGen 4 Aero Compressor\u003c\/strong\u003e – ultra-high efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePower Tiers (E85, supporting mods, OEM engine)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eR1150 (54mm compressor wheel – 66 lb\/min each)\u003c\/strong\u003e: Fastest spool, ideal at altitude or mild-built engines → 1,000–1,150+ WHP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR1300 (58mm compressor wheel – 76 lb\/min each)\u003c\/strong\u003e: Highest power per psi → 1,100 WHP at 5,000+ ft elevation, 1,300+ WHP peak at sea level \/ 40 psi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eReal-World Performance\u003c\/strong\u003e Dyno-proven on OEM engine with R1300 turbos: strong response and excellent boost control with no boost creep. Great option for a stock engine that allows you to grow up to 1300hp\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003ePair of SiR R1150 or R1300 turbos (your choice)\u003c\/li\u003e\n\u003cli\u003eBillet dual ball-bearing CHRA\u003c\/li\u003e\n\u003cli\u003eBillet wastegate actuators (1-bar or 1.4-bar)\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eImportant Notes \u0026amp; Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e$1,500 refundable core fee (or send your OEM turbos)\u003c\/li\u003e\n\u003cli\u003e2012+ OEM inlet pipes good to ~800 WHP\u003c\/li\u003e\n\u003cli\u003e800–1,000 WHP: 60mm+ inlets recommended\u003c\/li\u003e\n\u003cli\u003e1,000+ WHP: 3.25\" Boost Logic inlet pipes required\u003c\/li\u003e\n\u003cli\u003eAbove 28 psi: 1.4-bar actuators + MAC valve\/ECBS recommended\u003c\/li\u003e\n\u003cli\u003e2–3 week build\/lead time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eBuilt for Gasoline + E85 on the OEM R35 engine with proper supporting mods. Ready to take your GT-R to the next level?\u003c\/p\u003e","brand":"SiR","offers":[{"title":"R1300 58mm 1 Bar Actuator","offer_id":40882763268161,"sku":"","price":5499.0,"currency_code":"USD","in_stock":true},{"title":"R1150 54mm 1.4 Bar Actuator","offer_id":40882763300929,"sku":"","price":5399.0,"currency_code":"USD","in_stock":true},{"title":"R1300 58mm 1.4 Bar with BL Inlets","offer_id":42235804385345,"sku":"","price":5999.0,"currency_code":"USD","in_stock":true},{"title":"R1150 54mm 1 Bar Actuator","offer_id":43032847548481,"sku":null,"price":5399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0251\/5340\/files\/PXL_20250716_211003416_2.jpg?v=1753747791","url":"https:\/\/sprayitracing.myshopify.com\/products\/sir-r35-r1150-r1300","provider":"SprayItRacing","version":"1.0","type":"link"}