{"product_id":"stage-1-6hp","title":"Stage 1 DIY Kit | ZF 6HP19 \/ 6HP21","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eUpgrade your ZF 6HP19 or ZF 6HP21 transmission with the ATS Stage 1 DIY Transmission Rebuild Kit. Designed for performance street cars, drag racing applications, and enthusiasts looking to strengthen their transmission at home, this kit is rated to support up to 900 wheel horsepower and 700 wheel ft-lbs of torque. \u003cbr\u003e\u003cbr\u003eBuilt around proven Alto friction materials and ATS upgraded components, this kit addresses the wear areas that take a 6HP out of service while increasing clutch capacity and durability for demanding applications. \u003cbr\u003e\u003cbr\u003eKit Includes: \u003cbr\u003e\u003cbr\u003e• Upgraded clutch packs \u003cbr\u003e• Alto high performance clutch fibers \u003cbr\u003e• ATS upgraded steels \u003cbr\u003e• Complete seal kit \u003cbr\u003e• Transmission pan with integrated filter \u003cbr\u003e\u003cbr\u003eEngineered for DIY builders and transmission shops alike, the ATS Stage 1 Kit delivers upgraded internals designed to support performance-oriented 6HP builds while maintaining OE-style fitment. \u003cbr\u003e\u003cbr\u003eRated Capacity: \u003cbr\u003e✓ 900 WHP \u003cbr\u003e✓ 700 WTQ \u003cbr\u003e\u003cbr\u003eDesigned for: \u003cbr\u003e✓ ZF 6HP19 transmissions \u003cbr\u003e✓ ZF 6HP21 transmissions \u003cbr\u003e✓ Performance street builds \u003cbr\u003e✓ Drag racing applications \u003cbr\u003e✓ Transmission refreshes and rebuilds \u003cbr\u003e✓ DIY transmission builders\u003c\/span\u003e\u003c\/p\u003e","brand":"Applied Torque Solutions","offers":[{"title":"Default Title","offer_id":54512103948606,"sku":null,"price":2000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/9511\/4046\/files\/ChatGPTImageSep25_2026at02_10_52PM.png?v=1790365068","url":"https:\/\/shop.applied-torque-solutions.com\/products\/stage-1-6hp","provider":"Applied Torque Solutions","version":"1.0","type":"link"}