{"product_id":"randys-4847diys2-47re-transmission-builder-kit-650hp-rated-03-5-07-5-dodge-ram-cummins","title":"Randy's Transmission 4847DIYS2 47RE Transmission Builder Kit 650HP Rated | 2003.5-2007.5 Dodge RAM 2500\/3500 5.9L Cummins","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports builds up to 650 horsepower\u003c\/li\u003e\n\u003cli\u003eIncludes Randy's Triple Lock torque converter\u003c\/li\u003e\n\u003cli\u003eComes with billet input shaft and piston\u003c\/li\u003e\n\u003cli\u003eGPZ clutches and steels for high durability\u003c\/li\u003e\n\u003cli\u003eBorg Warner overdrive direct clutch upgrade\u003c\/li\u003e\n\u003cli\u003eTransGo Pro Shift Kit improves shift performance\u003c\/li\u003e\n\u003cli\u003eIncludes billet flexplate and band strut\u003c\/li\u003e\n\u003cli\u003eSonnax super servo and billet accumulator included\u003c\/li\u003e\n\u003cli\u003eHeavy-duty flexband for added holding power\u003c\/li\u003e\n\u003cli\u003eComplete gasket and seal kit provided\u003c\/li\u003e\n\u003cli\u003eBorg Warner solenoid and high pressure transducer\u003c\/li\u003e\n\u003cli\u003eDesigned for 2003.5–2007.5 47RE Cummins trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBuild Your Transmission With Confidence And Big Power Goals\u003c\/h4\u003e\n\u003cp\u003eIf you’re looking to take your 47RE transmission to the next level without cutting corners, the Randy's Transmission 4847DIYS2 Stage 2 Builder Kit gives you everything you need to do it right. Rated to handle up to 650 horsepower, this kit is built for those serious about putting real power to the ground and keeping it there. Whether you're towing, racing, or running a high-performance street build, the included components are purpose-selected to offer unbeatable strength and reliability. From Randy’s Triple Lock torque converter to the billet input shaft and high-performance clutches, every part is designed to work together under intense pressure. It’s a true DIY setup for the enthusiast or builder who wants top-tier performance without guessing what to upgrade. You’re not just getting parts, you’re getting a proven recipe that stands up to real-world abuse. If your Cummins-powered RAM is ready for a serious transmission build, this kit is your next step forward.\u003c\/p\u003e\n\u003ch4\u003eComplete Kit With Proven Internals And Power Handling\u003c\/h4\u003e\n\u003cp\u003eThe Randy's Transmission 47RE Stage 2 Builder Kit includes a fully matched lineup of high-performance internals designed to upgrade 2003.5–2007.5 Dodge RAM 2500 and 3500 trucks equipped with the 5.9L Cummins. At the heart of the kit is a billet input shaft paired with a billet piston, built to handle high torque loads and reduce the risk of shaft failure under extreme conditions. The GPZ clutch and steel combo, along with Borg Warner overdrive clutches and a heavy-duty flexband, provides improved holding power and long-term durability. Also included are a billet accumulator, billet band strut, Sonnax super servo, and TransGo Pro Shift Kit, all working together to deliver crisp shifts, reduced slippage, and consistent pressure control. The kit includes a high-pressure transducer, Borg Warner governor pressure solenoid, Mopar neutral safety switch, and a complete gasket and seal kit for a full rebuild. Topping it off is a Goerend Bellview spring upgrade and billet flexplate, making it ideal for both high-load towing and competition use. This is a builder-focused kit that delivers both in strength and precision, giving you the right components to take your 47RE beyond stock limitations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2003.5, 2004, 2005, 2006, 2007 Dodge RAM 2500\/3500 5.9L Cummins\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2003.5–2007.5 Dodge RAM 2500\/3500 with 5.9L Cummins\u003c\/li\u003e\n\u003cli\u003eDesigned for the 47RE automatic transmission\u003c\/li\u003e\n\u003cli\u003eRated for builds up to 650 horsepower\u003c\/li\u003e\n\u003cli\u003eIncludes Randy’s Triple Lock torque converter\u003c\/li\u003e\n\u003cli\u003eFeatures billet input shaft and billet piston\u003c\/li\u003e\n\u003cli\u003eGPZ clutches and steels for enhanced durability\u003c\/li\u003e\n\u003cli\u003eBorg Warner overdrive direct clutch upgrade included\u003c\/li\u003e\n\u003cli\u003eComes with TransGo Pro Shift Kit for firmer shifting\u003c\/li\u003e\n\u003cli\u003eIncludes billet flexplate and billet band strut\u003c\/li\u003e\n\u003cli\u003eSonnax super servo and billet accumulator included\u003c\/li\u003e\n\u003cli\u003eComplete gasket, seal, and bushing kit provided\u003c\/li\u003e\n\u003cli\u003eProfessional installation or experienced DIY build recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Randy's Transmissions","offers":[{"title":"Default Title","offer_id":68032181207313,"sku":"RTS-4847DIYS2","price":4500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/0477\/1089\/files\/4847DIYS2.jpg?v=1794461987","url":"https:\/\/gautoparts.com\/products\/randys-4847diys2-47re-transmission-builder-kit-650hp-rated-03-5-07-5-dodge-ram-cummins","provider":"Guaranteed Auto Parts","version":"1.0","type":"link"}