{"product_id":"supermatic-8l90e-8-speed-automatic-transmission-for-lt4-19419799","title":"SuperMatic 8L90E 8-Speed Automatic Transmission for LT4 19419799","description":"\u003cp\u003eSuperMatic™ 8L90-E Eight-Speed Transmission\u003cbr\u003e\nChevrolet Performance has adapted the production-based 8L90-E eight-speed automatic transmission for use with the LT1 and LT4 crate engines. A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overall ratio helps enhance cruising efficiency. Two versions are available: a slip-yoke design for use with the LT1 engine and a slip-yoke design to be used with the LT4. \u003cbr\u003e\nPart number: 19419799\u003cbr\u003e\nAdditional highlights:\u003cbr\u003e\n• Four gearsets for greater efficiency\u003cbr\u003e\n• Five clutches – two brake clutches and three rotating clutches\u003cbr\u003e\n• World-class upshift speeds\u003cbr\u003e\n• Friction-reducing features include synthetic fluid\u003cbr\u003e\n• Gear ratios: 1st: 4.56, 2nd: 2.97, 3rd: 2.08, 4th: 1.69, 5th: 1.27, 6th: 1.00, 7th: 0.85, 8th: 0.65, reverse: 3.82\u003cbr\u003e\n• Controller and harness included\u003cbr\u003e\n• Torque converter included (engine specific)\u003cbr\u003e\nSuperMatic™ 8L90-E Transmission for LT4 Crate Engine (slip yoke)\u003cbr\u003e\n• Use with LT4 crate engines P\/N 19368622 (wet sump) or P\/N 19332702 (dry sump)\u003cbr\u003e\n• Includes torque converter, controller and harness\u003cbr\u003e\n• Must be used with compatible engine controller (P\/N 19355174)\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":67611484193084,"sku":"19419799","price":5989.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/specbuiltls.com\/products\/supermatic-8l90e-8-speed-automatic-transmission-for-lt4-19419799","provider":"My Store","version":"1.0","type":"link"}