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B&M Steel Performance Flexplate - Small Block Ford

1968-1981 Ford 289, 302, 351W, 351C with C4 automatic transmission. 164-Tooth, 28-ounce externally balanced.

PART# 50237

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$113.00   Suggested Retail
$100.95   Holleydays Price
Estimated shipping date: 12/14/2020
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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, 11.4-inch bolt pattern and 164 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.


  • For Ford SB 28.2 Ounce Imbalance Engines
  • 11.4-inch Torque Converter Bolt Pattern
  • Ideal For Street Applications
  • Zinc Plated Chromate Finish
  • 164 Tooth Ring Gear
  • Proven B&M Quality


# of Teeth164
Crankshift Bolt Hole Count6
Dual PatternYes
Emission Code5
IHRA LegalYes
NHRA LegalYes
Outside Diameter (in)14.24
Product TypeAutomatic Transmission Flexplate
SFI ApprovedNo
SFI Certification StickerIncluded
Weight (lb)6
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number50237



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Fits 1968-1981 Ford Small Block 289, 302, 351W and 351C engines with a C4 automatic transmission. Has an 11.4-inch bolt circle, 28.2 ounce balance weight and 164 tooth ring gear.


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       X  Holleydays 2020 20% off and DD
       X  Holleydays 2020 20% off and DD