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B&M Steel SFI Certified Flexplate - Big Block Chevrolet

1970-1990 Chevrolet 454 Big Block with 168-tooth, externally balanced engines.

Part # 20233 Be the first to write a review

B&M Steel SFI Certified Flexplate - Big Block Chevrolet

In Stock
Free Shipping - Lower 48 US States
$143.95
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5

Emissions

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.

See Emissions Details
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 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&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&M has been delivering since 1953. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.

Features:

  • NHRA and IHRA Legal For All Classes
  • Includes SFI Certification Sticker
  • Ideal For Street Applications
  • Zinc Plated Chromate Finish
  • To Extreme Duty Racing
  • Proven B&M Quality

About B&M

Shop B&M's official site for automatic shifters, transmissions and components that exceed all your performance enthusiast needs at Holley.com!

# of Teeth168
ApplicationChevrolet
BalanceExternal
Brand B&M
Crankshaft Bolt Hole Count6
Dual PatternYes
Emission Code5
EngineGM Big Block
IHRA LegalYes
NHRA LegalYes
Outside Diameter (in)14.1
Product TypeFlexplates
SFI ApprovedYes
SFI Certification29.1
SFI Certification StickerIncluded
Weight (lb)7
UPC019695202330
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number20233
5

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.
Fits 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
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.