{"product_id":"b-m-shift-improver-kit-88-94-th400-20261","title":"B\u0026M Shift Improver Kit 88-94 Th400 - 20261","description":"\u003cp\u003eThe B\u0026amp;M Shift Improver kit for 1988-1994 GM TH400 and TH475 automatic transmissions provides Heavy Duty and Street\/Strip calibration options. Heavy Duty delivers firm positive shifts for street use and towing, while Street\/Strip provides harder, quicker shifts for high-performance use. The kit is designed to eliminate soft shifts and shift overlap and improve transmission performance.\u003c\/p\u003e","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":49544661860590,"sku":"BMM-20261","price":87.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/53bd824ea0c70dc7a1ee640c8364e35ddad9dff6_d96af15f-d79c-450c-9a97-3acaca731f4f.jpg?v=1788734787","url":"https:\/\/elmosspeedshop.com\/products\/b-m-shift-improver-kit-88-94-th400-20261","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}