{"product_id":"b-m-shift-improver-kit-68-81-th-350-30262","title":"B\u0026M Shift Improver Kit 68-81 Th-350 - 30262","description":"\u003cp\u003eThe B\u0026amp;M Shift Improver kit offers two recalibration options for 1968-1981 GM TH350 automatic transmissions: Heavy Duty for firm positive shifts without loss of driver comfort, and Street\/Strip for harder, quicker shifts. It eliminates soft shifts and shift overlap and improves transmission life. Does not fit TH350C lock-up transmissions.\u003c\/p\u003e","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":49544684044526,"sku":"BMM-30262","price":73.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/092ac276cd86baa901e07b17d554f5bad7430985.jpg?v=1788735921","url":"https:\/\/elmosspeedshop.com\/products\/b-m-shift-improver-kit-68-81-th-350-30262","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}