{"product_id":"pro-series-4r70-258mm-torque-converter","title":"Pro Series 4R70 258mm Torque Converter","description":"The Circle D 30-12-05 Pro Series torque converter is a 258mm unit designed for Ford's 4R70 transmission. This Stage II Billet converter offers a choice of stall speeds ranging from 2800 to 3500 RPM, making it a suitable upgrade for enthusiasts seeking a blend of drivability and enhanced performance, particularly for applications with turbochargers or PD blowers.\n\nKey features of this torque converter include its robust construction, with a furnace-brazed, hand TIG-welded design. It incorporates Torrington bearings, a billet front, and a billet piston for durability. Options for lock-up configurations include Single Disc, 3 Disc, and 5 Disc, along with sprag options such as Stock, Mechanical Diode, and Spragless, allowing for further customization to meet specific performance needs.","brand":"Circle","offers":[{"title":"Default Title","offer_id":52687389131064,"sku":"30-12-05","price":1159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/662159052.webp?v=1784883556","url":"https:\/\/store.motormia.co\/products\/pro-series-4r70-258mm-torque-converter","provider":"MOTORMIA","version":"1.0","type":"link"}