{"product_id":"spool-performance-stage-2-diy-transmission-kit-for-dodge-8hp70-8hp75","title":"Spool Performance Stage 2 DIY Transmission Kit for Dodge 8HP70 \/ 8HP75","description":"\u003ch2\u003eEVERY NEW ORDER WILL SHIP BY OCTOBER 8th.\u003c\/h2\u003e\n\u003ch1\u003e\u003cstrong\u003eSpool Performance Stage 2 Transmission Kit for Dodge 8HP70 \u0026amp; 8HP75\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eAfter over a year of rigorous engineering and validation, Spool Performance proudly introduces the \u003cstrong\u003eStage 2 Transmission Upgrade Kit\u003c\/strong\u003e for the Dodge 8HP70 and 8HP75 platforms. Designed to far exceed the limitations of factory components, this kit delivers \u003cstrong\u003ewell over 1200 ft-lbs of torque capacity\u003c\/strong\u003e while retaining excellent drivability and shift quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis upgrade lets you hold way more torque than a stock 8hp90 from a hellcat reliably without having to go through the struggles of programming and swapping transmissions and is good for upwards of 1200whp.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach kit features our in-house–developed \u003cstrong\u003eFX-RT friction system\u003c\/strong\u003e, billet 7075-T6 heat-treated and hard-anodized \u003cstrong\u003eC and E hubs\u003c\/strong\u003e, redesigned pressure and apply plates, and \u003cstrong\u003eincreased clutch counts across every clutch pack\u003c\/strong\u003e for unmatched clamping force and thermal stability. This package transforms the 8HP70\/75 into a transmission capable of handling the abuse of high-boost HEMI builds, drag launches, and elevated power levels.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eAdvanced Billet Hub Engineering\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe OEM C and E hubs in the 8HP series are made from weak cast A380 aluminum and are well-known failure points in tuned Dodge vehicles. Under high torque, these hubs frequently experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSpline shearing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCracking at the locking features\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSteel plates digging into the soft aluminum, causing binding, slip, or total burnout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Spool Hub Upgrades\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Upgrade:\u003c\/strong\u003e\u003cbr\u003eManufactured from aerospace-grade \u003cstrong\u003e7075-T6 billet aluminum\u003c\/strong\u003e, offering \u003cstrong\u003enear-steel strength at a fraction of the weight\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHeat-treated and hard-anodized\u003c\/strong\u003e, dramatically improving surface hardness, wear resistance, and long-term spline integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDesign Enhancements:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized clutch cooling paths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFaster oil evacuation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased clutch contact area\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced rotating mass for sharper shift response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese improvements eliminate the weak points of the OEM hubs while significantly enhancing performance under sustained high load.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFX-RT High-Coefficient Frictions + Increased Clutch Counts\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eOur \u003cstrong\u003eFX-RT friction technology\u003c\/strong\u003e, originally engineered for the highest-torque Mercedes 9G and BMW 8HP platforms, is now optimized for the Dodge 8HP70\/75. These friction materials deliver:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConsiderably higher friction coefficients than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuperior thermal resistance under repeated high-load shifts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable, consistent engagement without harshness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExceptional durability on boosted, nitrous, and high-RPM HEMI builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach clutch pack — \u003cstrong\u003eA, B, C, D, and E\u003c\/strong\u003e — receives \u003cstrong\u003eincreased clutch counts\u003c\/strong\u003e, providing more friction interfaces for greater torque handling and cooler operating temperatures.\u003c\/p\u003e\n\u003cp\u003eThis combination of FX-RT materials and added clutch capacity results in a transmission that can confidently hold torque levels well beyond the capability of a stock 8HP70\/75.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eDIY-Friendly Installation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTransmission building can seem intimidating, so we engineered this kit for true DIY accessibility:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAll clutch packs arrive \u003cstrong\u003epre-clearanced and ready to install\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom pressure and apply plates eliminate measurement guesswork.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes \u003cstrong\u003eextra steel plates\u003c\/strong\u003e for builders who want to fine-tune clutch pack clearance or shift feel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo machining or specialty modifications required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e100% drop-in compatibility with Dodge 8HP70 and 8HP75 units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you can rebuild a modern automatic, you can install this kit confidently.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFX-RT High-Coefficient Frictions:\u003c\/strong\u003e In-house developed, high-energy material for maximum holding power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBillet 7075-T6 Hubs:\u003c\/strong\u003e Heat-treated and hard-anodized for superior strength, rigidity, and wear resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIncreased Clutch Counts:\u003c\/strong\u003e Every clutch pack receives added frictions and steels for enhanced torque capacity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustom Pressure \u0026amp; Apply Plates:\u003c\/strong\u003e Provide optimized clamping force and ideal shift characteristics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Clearanced Clutch Packs:\u003c\/strong\u003e Ready to install, eliminating setup guesswork.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtra Steel Plates:\u003c\/strong\u003e Included for optional custom clearance adjustments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e7075 Billet \u003cstrong\u003eE Hub\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eE Hub Center Bushing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e7075 Billet \u003cstrong\u003eC Hub\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA Clutch\u003c\/strong\u003e: Frictions, Steels, Pressure Plate, Apply Plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eB Clutch\u003c\/strong\u003e: Frictions, Steels, Pressure Plate, Apply Plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eC Clutch\u003c\/strong\u003e: Frictions, Steels, Pressure Plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eD Clutch\u003c\/strong\u003e: Frictions, Steels, Pressure Plate, Apply Plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eE Clutch\u003c\/strong\u003e: Frictions, Steels, Pressure Plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComplete Seal Kit (Gaskets + O-rings)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eRecommended Fluid\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF (Blue Cap)\u003c\/strong\u003e\u003cbr\u003eIdeal for high-performance 8HP builds requiring superior thermal stability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003e\u003cstrong\u003eCompatibility: Dodge \/ RAM \/ Jeep \/ Chrysler 8HP70 \u0026amp; 8HP75 Platforms\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eDodge\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCharger R\/T 5.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCharger Scat Pack \/ SRT 392 6.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChallenger R\/T 5.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChallenger Scat Pack \/ SRT 392 6.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurango R\/T 5.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurango SRT \/ 6.4L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRAM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRam 1500 5.7 (DT, 8HP75)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRam 1500 3.0 EcoDiesel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRam 2500 \/ 3500 6.4 (8HP75-LCV)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eJeep\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGrand Cherokee 5.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrand Cherokee SRT 6.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrand Cherokee 3.0 EcoDiesel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWrangler 392 6.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWagoneer \/ Grand Wagoneer (8HP75 variants)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eChrysler\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e300C 5.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e300 SRT 6.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":47878178013340,"sku":"SP-ZF-LF-S2D","price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/767_d72ef152-9f7d-4869-be8c-b6aabafe3944.jpg?v=1791771257","url":"https:\/\/daroracing.com\/products\/spool-performance-stage-2-diy-transmission-kit-for-dodge-8hp70-8hp75","provider":"Daro Racing","version":"1.0","type":"link"}