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
Specs
# of Teeth
168
Balance
External
Brand
B&M
Crankshift Bolt Hole Count
6
Dual Pattern
Yes
Emission Code
5
IHRA Legal
Yes
NHRA Legal
Yes
Outside Diameter (in)
14.1
Product Type
Automatic Transmission Flexplate
SFI Approved
Yes
SFI Certification Sticker
Included
Weight (lb)
7
California Proposition 65 Chemical Name
Cadmium and cadmium compounds
California Proposition 65 Required
Yes
Part Number
20233
Emissions
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
Applications
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.
