Compare Maximum number of 4 items selected B&M Flexplate - 20237 Part #: 20237 Line: BM B&M Flexplate 1 Year Limited Warranty Material: Steel Number Of Teeth: 153 Outside Diameter (in): 12-13/16 Inch Weight (Lbs): 5.5 Lbs. NHRA Legal: Yes SFI Approved: Yes Safety Rating: 29.1 Number Of Crankshaft Bolt Holes: 6 Engine Balance: Internal Show More Show Less