As 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&M has you covered with our high-performance flexplate designed for Ford, Lincoln, and Mercury (externally balanced) 289 and 302ci V8 engines with 28.2-ounce imbalance. Features include high tensile strength steel to resist elongation and cracking, a 10.50-inch bolt pattern, and 157 tooth ring gear. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B&M flexplates are ideal for hot rods, street cars, tow vehicles, or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Compatible with C4 and C6 automatic transmissions.