{"product_id":"b-m-shift-improver-kit-gm-th700r4-4l60-transmissions","title":"B\u0026M Shift Improver Kit - GM TH700R4\/4L60 Transmissions","description":"The B\u0026amp;M® Shift Improver kits™ feature two options to recalibrating your 1982-1993 GM TH700R4\/4L60 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET\/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street\/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit. Note: Does not fit GM TH4L60E (electronic) transmissions.","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":52992437846310,"sku":"BBFT_70239","price":87.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5697\/5654\/files\/70239.jpg?v=1775640098","url":"https:\/\/ossparts.com\/products\/b-m-shift-improver-kit-gm-th700r4-4l60-transmissions","provider":"Operational Speed Supply","version":"1.0","type":"link"}