{"product_id":"ea38r400h-400whp-is38-is20-dual-ceremic-ball-bearing-turbocharger-upgrade","title":"EA38R400H 400WHP IS38 IS20 Dual Ceremic Ball Bearing Turbocharger Upgrade","description":"\u003cp\u003eBuy quality products from the knowledgeable turbo specialists with 15+ years in the business - Turbo Bits\u003cbr\u003e\u003cbr\u003eFeatures\u003cbr\u003eDual ceramic ball bearing\u003cbr\u003eImproved housings with larger A\/R for high airflow and low exhaust back pressure\u003cbr\u003eClosed back turbine wheel with enlarged 9-blade design\u003cbr\u003eDirect fit OE’s oil and water feeds\u003cbr\u003eTurbo muffler delete for more efficient and stable airflow\u003cbr\u003eLightweight CNC machined billet compressor wheel\u003cbr\u003eUpgraded compressor wheel and turbine wheel\u003cbr\u003eBOV and diverter valve options with 3 springs\u003cbr\u003eDirect fit EA888 Gen.3 2.0T transverse engine\u003cbr\u003eSupports the 400 horsepower range\u003cbr\u003e\u003cbr\u003eCompressor Housing:\u003cbr\u003eInducer: 48 mm\u003cbr\u003eExducer: 60 mm\u003cbr\u003eType: Forged\u003cbr\u003eInlet: 60 mm\u003cbr\u003eA\/R: 0.60\u003cbr\u003eBearing: Ball\u003cbr\u003eTurbine Inducer: 54 mm\u003cbr\u003eTurbine Exducer: 49 mm\u003cbr\u003eTurbine A\/R: 0.64\u003cbr\u003eHorsepower: 400 HP\u003cbr\u003e\u003cbr\u003eVehicle Fitment\u003cbr\u003eVAG EA888 Gen.3 2.0T transverse engines\u003cbr\u003e\u003cbr\u003eOE Turbocharger Part Numbers\u003cbr\u003eIS12: 06K124713L\u003cbr\u003eIS20: 06K145875M\u003cbr\u003eIS38: 06K145722H\u003cbr\u003e\u003cbr\u003eBOV\/DV Spring:\u003cbr\u003eBlack Spring: Option 10–16 PSI\u003cbr\u003eWhite Spring: Option 16–22 PSI\u003cbr\u003eYellow Spring: Standard 22–27 PSI\u003cbr\u003eBlue Spring: Installed 25–32 PSI\u003cbr\u003eRed Spring: Standard 27–35 PSI\u003cbr\u003eAbove figure is only preference. Please refer to vehicle modification needs.\u003cbr\u003e\u003cbr\u003ePerformance Data\u003cbr\u003eTBO400R EA38R-400 Turbo Dyno Map\u003cbr\u003eTest vehicle: Audi A3 8V\u003cbr\u003e\u003cbr\u003eTBO400R Turbo: On-wheel 410 HP\u003cbr\u003eTBO400R Turbo: On-wheel 550 Nm\u003cbr\u003eStock turbo and program: On-wheel 234 HP\u003cbr\u003eStock turbo and program: On-wheel 390 Nm\u003cbr\u003ePeak power shown: 410.1 HP at 5950 RPM\u003cbr\u003e\u003cbr\u003eAdditional Information\u003cbr\u003eEA38R uses a completely different ball bearing CHRA design compared to IS28\/IS38. The newly designed CHRA makes it possible to fit a dual ceramic ball bearing, which is the same size as Garrett’s. The dual ceramic ball bearing provides quicker response and is 15% faster than general journal bearings.\u003cbr\u003e\u003cbr\u003eWe enlarged the A\/R of the turbine housing based on the OEM manifold and fitted a larger turbine wheel to improve airflow efficiency and reduce exhaust back pressure.\u003c\/p\u003e","brand":"Turbo Bits","offers":[{"title":"Default","offer_id":48340732313757,"sku":"EA38R400H","price":0.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0416\/7778\/3197\/files\/Screenshot_2026-05-26_083503_TQVZPYV5U33P.png?v=1779742666","url":"https:\/\/turbobits.co.nz\/fr\/products\/ea38r400h-400whp-is38-is20-dual-ceremic-ball-bearing-turbocharger-upgrade","provider":"Turbo Bits","version":"1.0","type":"link"}