{"product_id":"1965-1987-gm-th400-th375-th475-automatic-transmissions","title":"1965-1987 GM TH400, TH375 \u0026 TH475 Automatic Transmissions.","description":"The B\u0026amp;M® Shift Improver kits™ feature two options to recalibrating your 1965-1987 GM TH400, TH375 and TH475 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.","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":48568066769128,"sku":"BBFT_20260","price":105.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/0807\/2548\/files\/20260.jpg?v=1779087324","url":"https:\/\/store.ossmotorsport.com\/products\/1965-1987-gm-th400-th375-th475-automatic-transmissions","provider":"OSS Motorsport","version":"1.0","type":"link"}