{"product_id":"tci-automotive-c4-11in-breakaway-torque-converter-451100","title":"TCI Breakaway Torque Converter | Ford C4 26-Spline In-Case | 2200-2600 Stall | 451100","description":"\u003cp\u003eThe TCI Breakaway is a strong first step into serious performance for moderately modified street machines and weekend racers that still see daily driving. Built for 70-79 Ford C4 transmissions with an in-case dipstick and a 26 spline input, it uses a 10.5 inch bolt circle and delivers roughly 2400 to 2600 RPM flash stall while keeping part throttle driving smooth. It features furnace-brazed fins, needle bearings, a hardened pre-ground pump hub, and computer balancing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 70-79 Ford C4 transmissions with an in-case dipstick\u003c\/li\u003e\n\u003cli\u003e26 spline input\u003c\/li\u003e\n\u003cli\u003e10.5 in bolt circle\u003c\/li\u003e\n\u003cli\u003eStall speed: 2200 to 2400 RPM (small block), 2400 to 2600 RPM (big block)\u003c\/li\u003e\n\u003cli\u003eFurnace-brazed fins, needle bearings, and computer balancing\u003c\/li\u003e\n\u003cli\u003ePart number: 451100\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat C4 transmission does the 451100 converter fit?\u003c\/h5\u003e\u003cp\u003e70-79 Ford C4 transmissions with an in-case dipstick and 26 spline input.\u003c\/p\u003e\u003ch5\u003eWhat is the bolt circle?\u003c\/h5\u003e\u003cp\u003e10.5 inches.\u003c\/p\u003e\u003ch5\u003eWhat stall speed does it provide?\u003c\/h5\u003e\u003cp\u003eAbout 2200 to 2400 RPM behind small blocks and 2400 to 2600 RPM behind big blocks.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What C4 transmission does the 451100 converter fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"70-79 Ford C4 transmissions with an in-case dipstick and 26 spline input.\"}}, {\"@type\": \"Question\", \"name\": \"What is the bolt circle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"10.5 inches.\"}}, {\"@type\": \"Question\", \"name\": \"What stall speed does it provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"About 2200 to 2400 RPM behind small blocks and 2400 to 2600 RPM behind big blocks.\"}}]}\u003c\/script\u003e","brand":"TCI Automotive","offers":[{"title":"Default Title","offer_id":41296474636336,"sku":"DXKM_451100","price":579.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/TCI451100.jpg?v=1712740885","url":"https:\/\/berryperformancesales.com\/products\/tci-automotive-c4-11in-breakaway-torque-converter-451100","provider":"Berry Performance Sales","version":"1.0","type":"link"}