{"product_id":"roller-barrel-itb-upgrade-set-for-2-stud-manifold-porsche-911-3-0ltr","title":"Roller Barrel ITB Upgrade Set for 2 Stud Manifold. Porsche 911 3.0ltr","description":"\u003cp\u003e\u003cb\u003eIndividual Roller Barrel Throttle Bodies (ITB) Upgrade for Modified 3.0ltr Engine\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUnlock the full performance potential of your modified air-cooled flat-six with the Rennen by JSR Individual Roller Barrel Throttle Body (ITB) Upgrade, engineered specifically for a modified Porsche 911 3.0ltr engine featuring 41mm inlet ports. Combining advanced roller barrel induction technology with stunning motorsport-inspired aesthetics, this complete system is designed for enthusiasts seeking the ultimate throttle response, induction sound and driver engagement.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFits:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 1968-1973 2.2L \/ 2.4L \/ 2.7L RS LWB (F)\u003c\/li\u003e\n\u003cli\u003ePorsche 911 1974-1977 2.7L \/ 1976-77 3.0 Carrera\u003c\/li\u003e\n\u003cli\u003ePorsche 911 1978-1983 3.0L \/ SC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFinished in premium gunmetal, this package includes beautifully machined silver velocity stacks, classic mesh air filters and a precision-engineered mechanical throttle linkage system. The result is a visually striking induction setup that delivers both exceptional performance and a period-correct motorsport appearance.\u003c\/p\u003e\n\u003cp\u003eWhether installed on a modified road-going Porsche, fast-road build, restomod or dedicated competition engine, the Rennen by JSR Roller Barrel ITB system transforms the way the engine responds and feels throughout the rev range.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat Makes Roller Barrel Throttle Bodies Different?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike conventional butterfly throttle bodies, Roller Barrel Throttle Bodies utilise a rotating cylindrical barrel to control airflow. This design creates a smoother and less restrictive airflow path when compared to traditional throttle plates.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdvantages of Roller Barrel technology include:\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReduced airflow restriction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved airflow efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFaster throttle response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhanced cylinder filling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced turbulence\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreased performance potential\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMotorsport-derived induction technology\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis design has been used in high-level racing applications for decades and is widely regarded as one of the most effective naturally aspirated induction systems available.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhy Upgrade to Individual Roller Barrel Throttle Bodies?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIndividual throttle bodies provide each cylinder with its own dedicated airflow path, allowing the engine to breathe more efficiently and respond immediately to throttle inputs.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInstant throttle response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSharper engine acceleration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved airflow distribution\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreased induction efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhanced engine character\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGreater tuning flexibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved performance potential\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExceptional induction sound\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor modified Porsche 911 3.0 engines with 41mm intake ports, the combination of optimised port sizing and individual roller barrel throttle bodies helps maximise the effectiveness of other engine modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMotorsport Appearance with Premium Components\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Rennen by JSR package has been designed to look every bit as impressive as it performs.\u003c\/p\u003e\n\u003cp\u003eIncluded within the system are:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGunmetal-finished roller barrel throttle bodies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-machined silver velocity stacks with ID of 45mm and height of 120mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClassic motorsport-style mesh air filters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMechanical throttle linkage assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is a visually stunning engine bay inspired by the legendary Porsche racing engines of the 1960s, 1970s and 1980s.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMechanical Throttle Linkage for Pure Analogue Feel\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA precision mechanical throttle linkage provides a direct connection between the accelerator pedal and the throttle bodies.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eImmediate throttle actuation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExceptional pedal feel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAccurate throttle modulation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect driver feedback\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhanced engine response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTraditional analogue driving experience\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor enthusiasts who value mechanical connection and involvement, the linkage system delivers the authentic feel that makes air-cooled Porsche driving so rewarding.\u003c\/p\u003e","brand":"Rennen Plus","offers":[{"title":"Default Title","offer_id":53624867389719,"sku":null,"price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/6226\/3831\/files\/JSR54_1_a82499bb-a271-409d-99d2-1eb8be2db17d.webp?v=1783319311","url":"https:\/\/rennenplus.com.au\/products\/roller-barrel-itb-upgrade-set-for-2-stud-manifold-porsche-911-3-0ltr","provider":"Rennen Plus","version":"1.0","type":"link"}