{"product_id":"cencal-btkusa-dual-differential-mount-g80m3-g82m4-g87m2-s58-copy","title":"BTKUSA Dual Differential Mount | G-Series M240i \/ M340i \/ M440i \/ A90-A91 Supra","description":"\u003cstrong\u003eAll components from the bushing, bolts, to the full billet assembly are proudly made in the USA.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMade in San Clemente, CA US\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAll hardware for assembly included\u003c\/strong\u003e\u003chr\u003e\u003cp\u003eThe BuiltToKillUSA Differential Dual Mount is designed to reinforce one of the G-series platform’s known weak points. Designed specifically for the G-Series M240i, M340i, M440i, and A90\/A91 Supra, this system improves drivetrain stability while maintaining daily driving comfort.\u003c\/p\u003e\u003cp\u003eUnlike most dual diff mounts on the market, this system utilizes a bushing rather than a completely solid chassis mount. This design helps prevent excessive noise, vibration, and harshness (NVH), allowing you to gain the benefits of improved drivetrain control without sacrificing comfort.\u003c\/p\u003e\u003cp\u003eThe BUILTTOKILLUSA Dual Diff Mount keeps the differential stable under hard acceleration, aggressive launches, and spirited driving. This reduces flex and sharpens overall driveline response for a more connected driving experience.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eInstallation Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis system requires drilling a single mounting point into the subframe. To simplify installation, a properly sized drill bit is included with the kit. All supplied hardware is stainless steel for maximum durability and corrosion resistance.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntroduces an additional reinforced mounting point to better control differential movement under load\u003c\/li\u003e\n\u003cli\u003eEnhances traction, throttle response, and overall drivetrain stability\u003c\/li\u003e\n\u003cli\u003eUtilizes a threaded steel backing plate for a secure and reliable mounting solution\u003c\/li\u003e\n\u003cli\u003eNo rivet nuts or compromise hardware used\u003c\/li\u003e\n\u003cli\u003eComplete hardware kit included\u003c\/li\u003e\n\u003cli\u003eIncludes required drill bit for installation\u003c\/li\u003e\n\u003cli\u003eInstallation requires drilling one precise hole in the subframe\u003c\/li\u003e\n\u003cli\u003eStraightforward bolt-on solution with no need to remove factory mounting components\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eWhat Is a Dual Diff Mount and How Can It Benefit My Build?\u003c\/strong\u003e\u003c\/h3\u003e\u003ch6\u003e\u003cstrong\u003e1. Improved Load Distribution\u003c\/strong\u003e\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eThe mount ties both sides of the differential into the subframe instead of relying on a single ear or bushing.\u003c\/li\u003e\n\u003cli\u003eSpreads torque load more evenly under hard acceleration, launches, and aggressive shifts.\u003c\/li\u003e\n\u003cli\u003eEspecially important on higher-torque vehicles where the differential tends to rotate upward under load.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003e\u003cstrong\u003e2. Reduced Differential Movement\u003c\/strong\u003e\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eLess movement results in more consistent driveline geometry.\u003c\/li\u003e\n\u003cli\u003eDirect benefits include reduced wheel hop, more predictable traction, and less shock loading on axles and bushings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003e\u003cstrong\u003e3. Structural Rigidity\u003c\/strong\u003e\u003c\/h6\u003e\u003cul\u003e\u003cli\u003eManufactured entirely from U.S.-made 6061 machined aluminum.\u003c\/li\u003e\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eWhy We Use a Bushing Instead of a Solid Mount\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eMost dual diff mounts on the market utilize a fully solid mounting system—but that isn’t always the best solution for a street-driven performance vehicle.\u003c\/p\u003e\u003cp\u003eOur system uses a high-durometer 80A bushing to control differential movement without completely eliminating it. Under hard acceleration and clutch dumps, the bushing compresses slightly to absorb shock, then immediately stabilizes the drivetrain.\u003c\/p\u003e\u003cp\u003eThis helps reduce unwanted flex while preventing harsh load spikes from transferring directly into the subframe and mounting points.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eBenefits of the BTKUSA Bushing Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMore controlled power delivery\u003c\/li\u003e\n\u003cli\u003eReduced drivetrain shock and stress\u003c\/li\u003e\n\u003cli\u003eImproved traction under load\u003c\/li\u003e\n\u003cli\u003eSignificantly less NVH compared to solid mounts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA fully solid mount may eliminate all movement, but it also transfers every bit of force directly into the chassis. Our approach delivers near-solid performance while helping protect the car and keeping it comfortable for street use.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Fulfillment\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRvngraceworks handles all fulfillment for this product.\u003c\/li\u003e\n\u003cli\u003eShips same day or early next business day depending on order time and availability.\u003c\/li\u003e\n\u003cli\u003eTracking information will be provided once the order has been processed and shipped.\u003c\/li\u003e\n\u003cli\u003ePlease contact us prior to ordering if you would like to confirm current availability or estimated lead times.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eProfessional installation is recommended to ensure proper alignment and secure mounting.\u003c\/p\u003e\u003cbr\u003e","brand":"CenCal Motorsport","offers":[{"title":"Default Title","offer_id":46457375686853,"sku":null,"price":559.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9841\/1461\/files\/IMG-3459.jpg?v=1782510061","url":"https:\/\/bmdperformance.com\/products\/cencal-btkusa-dual-differential-mount-g80m3-g82m4-g87m2-s58-copy","provider":"My Store","version":"1.0","type":"link"}