{"product_id":"bm®-20233-70-90-chevrolet-big-block-454-cid-168-tooth-steel-flexplate","title":"BM® #20233 (70-90) Chevrolet Big Block 454 CID 168-Tooth Steel Flexplate","description":"\u003cdiv class=\"accordion-row\"\u003e\n\u003cdiv class=\"row-contents active\"\u003e\n\u003ch2 class=\"widget_info\" style=\"text-align: center;\"\u003e\n\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cem\u003eFits 1990 and earlier GM 454 cid big block externally balanced V8 engine uses a 168 tooth ring gear and has 10.75-inch and 11.5-inch bolt patterns. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions\u003c\/em\u003e\u003c\/span\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003c\/h2\u003e\n\u003ch3 class=\"full_description\"\u003eAs performance levels increase, an O.E. style flexplate just won't cut it and a stronger option is a necessity to prevent transmission and\/or converter failure. B\u0026amp;M has you covered with our high performance flexplate designed for 1965-1990 Chevrolet big block 454ci (externally balanced) V8 engines with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, dual bolt pattern 10.75 or 11.5-inch converter mounting locations, 168 tooth ring gear with double-sided welds for added strength and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B\u0026amp;M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B\u0026amp;M has been delivering since 1953. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.\u003c\/h3\u003e\n\u003cul class=\"productpage_list\"\u003e\n\u003cli\u003e\n\u003ch3\u003eNHRA and IHRA Legal For All Classes\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eIncludes SFI Certification Sticker\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eIdeal For Street Applications\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eZinc Plated Chromate Finish\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eTo Extreme Duty Racing\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003eProven B\u0026amp;M Quality\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"attributes-table\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003e# of Teeth\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e168\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eChevrolet\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eBalance\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eExternal\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eBrand\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eB\u0026amp;M\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eCrankshaft Bolt Hole Count\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e6\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eDual Pattern\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eYes\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eEmission Code\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e5\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eEngine\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eGM Big Block\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eIHRA Legal\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eYes\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eNHRA Legal\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eYes\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eOutside Diameter (in)\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e14.1\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eProduct Type\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eFlexplates\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eSFI Approved\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eYes\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eSFI Certification\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e29.1\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eSFI Certification Sticker\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eWeight (lb)\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e7\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eUPC\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e019695202330\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eCalifornia Proposition 65 Chemical Name\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eCadmium and cadmium compounds\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003eCalifornia Proposition 65 Required\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003eYes\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\n\u003ch3\u003ePart Number\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003ch3\u003e20233\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch1\u003e\u003cstrong\u003eABOUT B\u0026amp;M\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cem\u003eB\u0026amp;M® specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B\u0026amp;M Performance \u0026amp; Off-Road has been at the vanguard of the growing automotive aftermarket since the early 1950s. Racers themselves, B\u0026amp;M’s founders identified the needs of local performance enthusiasts and developed products to fill those needs. B\u0026amp;M specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, automatic shift handles, extended transfer case handles, cast deep aluminum transmission pans, differential covers, transmission coolers, power steering coolers, automatic transmission fluid, and transmission accessories for performance street, truck, Jeep, and off-road applications.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003eInstall Guide:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003ca rel=\"noopener\" href=\"https:\/\/documents.holley.com\/038af8e3807d655fd4d45be9a65ff6ca7ecaa047.pdf\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/Wrench_small.jpg?v=1528997396\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/images.holley.com\/prop65_warning.png\"\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003eWarranty:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/documents.holley.com\/bm_warranty.pdf\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/B_M_LOGO_2048x2048.jpg?v=1598216542\" data-mce-selected=\"1\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\" class=\"emissionstatement\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BM®","offers":[{"title":"Default Title","offer_id":41266186780766,"sku":"20233","price":195.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/Screenshot2024-11-09at10.30.52AM.png?v=1731166273","url":"https:\/\/10secondracing.com\/products\/bm%c2%ae-20233-70-90-chevrolet-big-block-454-cid-168-tooth-steel-flexplate","provider":"10 Second Racing","version":"1.0","type":"link"}