{"product_id":"allison-1000-transmission-stage-4-900-hp-max","title":"Allison 1000 Transmission Stage 4 900+ HP Max for 2001-2019 GM\/CHEVY 2500\/3500","description":"\u003cdiv\u003e\u003cem\u003e\u003cstrong\u003eStage 4 Allison Transmission – Built for the True Horsepower Enthusiast\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cem\u003e\u003cstrong\u003eStreet \u0026amp; Track Dominator for Chevy \u0026amp; GMC Duramax Pickup\u003c\/strong\u003e\u003c\/em\u003es\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003eThe Stage 4 Allison 1000 Transmission, rated for 900+ horsepower, is engineered for those who demand superior street and track performance. If you live for horsepower and want a transmission that can handle it all, this is the ultimate choice. Designed to deliver maximum power transfer and hold up under extreme conditions, the Stage 4 is for the true enthusiast pushing their Duramax to its limits.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cem\u003e\u003cstrong\u003eStreet \u0026amp; Track Performance – Key Features\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eRaybestos or ALTO G3 C-3\/C-4 Torque Kit with custom machined pressure plates for maximum clutch capacity and holding power, perfect for high-horsepower applications.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLML Style Pistons and Return Springs for faster, smoother shifts, ensuring peak performance on both the street and track.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRaybestos or ALTO G3 C-1\/C-2 Torque Kit delivering consistent, high-performance engagement under heavy loads and high speeds.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRatio Tek Pressure Upgrades to optimize fluid control and ensure reliable performance under extreme conditions.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransgo Trim Valves for precise control and superior shift quality.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNew Torrington Bearings for reduced friction and extended life under heavy stress.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRandy’s Torque Converter with Billet Stator, custom stalls available for dialing in optimal performance for street or track.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBillet Input Shaft, C-2 Hub, and Output Shaft for unmatched strength to handle extreme torque.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBillet P-2 Planet for superior durability.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHD Cast Aluminum Deep Pan for enhanced cooling and increased fluid capacity to keep things running smooth under pressure.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNew OE Filters to maintain clean fluid flow, essential for high-performance operation.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cem\u003e\u003cstrong\u003eUnleash Maximum Performance\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv\u003eAfter years of R\u0026amp;D, we’ve perfected the art of building the strongest Allison 1000 transmission for street and track warriors. When you choose Randy’s, you’re choosing proven performance, reliability, and innovation born from relentless testing and refinement.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWhy Choose Randy’s Stage 4 Allison Transmission?\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eAt Randy’s, we don’t just build transmissions—we engineer them to exceed your expectations. Our Stage 4 Allison is the product of years of research, testing, and real-world experience. We’ve put this transmission through the wringer, on the street, track, and under extreme horsepower applications to ensure it’s the best in its class. This is why Randy’s Stage 4 Allison is the ultimate choice for true horsepower enthusiasts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eBuy Now, Pay Later\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eWe know that upgrading your transmission is a big investment and paying all at once can be tough. That’s why we’ve teamed up with Affirm to make it easier for you. With our financing options, you can enjoy the benefits of a top-quality transmission without the stress of a hefty upfront payment. Available exclusively online, just choose Affirm at checkout and spread your payments out over time. Get the performance you need today, and pay at a pace that fits your budget.\u003c\/p\u003e\n\u003cem style=\"background-color: var(--bs-body-bg); color: var(--bs-body-color); font-family: var(--bs-body-font-family); font-size: var(--bs-body-font-size); font-weight: var(--bs-body-font-weight); text-align: var(--bs-body-text-align);\"\u003e\u003cstrong\u003e1-Year \/ 12,000 Mile Warranty\u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eAt Randy’s Transmissions, we stand behind the quality and durability of every transmission we build. The Stage 3 Allison transmission comes with a 1-year, 12,000-mile warranty, giving you peace of mind that your investment is protected. Whether you’re towing heavy loads or pushing your truck to the limit on the track, you can rely on our proven performance and customer support. Our commitment to excellence ensures that your transmission will perform as expected, mile after mile.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Randy's Transmissions","offers":[{"title":"Default Title","offer_id":44352835944490,"sku":"WEBKIT.P20","price":11895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/wp-image-randys-transmissions-4617.png?v=1778595193","url":"https:\/\/fassmotorsports.com\/products\/allison-1000-transmission-stage-4-900-hp-max","provider":"FASS Motorsports","version":"1.0","type":"link"}