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 1955-85 GM small block (internally balanced) V8 engines along with 4.3L V6 engines. Also fits 1990 and earlier GM big block (internally 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.
  • NHRA/IHRA Legal For All Classes
  • Includes SFI Certification Sticker
  • Ideal For Street Applications
  • To Extreme Duty Racing
  • To High RPM Use

Application Summary:

Year Make/Model
1973-1975 Buick Apollo
1973 Buick Centurion
1973-1981 Buick Century
1964-1967 Buick Electra
1969-1981 Buick Electra
1970 Buick Estate Wagon
1973 Buick Estate Wagon
1977-1981 Buick Estate Wagon
1967 Buick Gran Sport
1970-1972 Buick GS
1964-1981 Buick LeSabre
1973-1981 Buick Regal
1984 Buick Regal
1964-1969 Buick Riviera
1977-1978 Buick Riviera
1975-1980 Buick Skyhawk
1965-1967 Buick Skylark
1969-1972 Buick Skylark
1975-1979 Buick Skylark
1965-1967 Buick Special
1969 Buick Special
1966-1972 Buick Sportwagon
1964-1969 Buick Wildcat
1965-1969 Cadillac Calais
1964-1974 Cadillac Commercial Chassis
1977-1983 Cadillac Commercial Chassis
1965-1969 Cadillac DeVille
1977-1981 Cadillac DeVille
1964-1966 Cadillac Eldorado
1965-1974 Cadillac Fleetwood
1977-1984 Cadillac Fleetwood
1964 Cadillac Series 60 Fleetwood
1964 Cadillac Series 62
1964 Cadillac Series 75 Fleetwood
1976-1978 Cadillac Seville
1985 Chevrolet Astro
1963-1975 Chevrolet Bel Air
1963-1972 Chevrolet Biscayne
1969-1974 Chevrolet Blazer
1969-1972 Chevrolet Brookwood
1975-1985 Chevrolet C10
1963 Chevrolet C10 Pickup
1966 Chevrolet C10 Pickup
1969-1974 Chevrolet C10 Pickup
1967-1985 Chevrolet C10 Suburban
1975-1985 Chevrolet C20
1963 Chevrolet C20 Pickup
1966 Chevrolet C20 Pickup
1969-1974 Chevrolet C20 Pickup
1967-1985 Chevrolet C20 Suburban
1975-1985 Chevrolet C30
1963 Chevrolet C30 Pickup
1966 Chevrolet C30 Pickup
1969-1974 Chevrolet C30 Pickup
1967-1981 Chevrolet Camaro
1983-1985 Chevrolet Camaro
1966-1973 Chevrolet Caprice
1975-1985 Chevrolet Caprice
1964-1968 Chevrolet Chevelle
1970-1972 Chevrolet Chevelle
1963-1967 Chevrolet Chevy II
1964 Chevrolet Corvair
1964 Chevrolet Corvair Truck
1963-1982 Chevrolet Corvette
1984-1985 Chevrolet Corvette
1958 Chevrolet Del Ray
1964-1985 Chevrolet El Camino
1975-1985 Chevrolet G10
1969-1974 Chevrolet G10 Van
1975-1985 Chevrolet G20
1967-1974 Chevrolet G20 Van
1975-1985 Chevrolet G30
Balance Internal
Bullet Point #1 NHRA and IHRA Legal For All Classes
Bullet Point #2 Includes SFI Certification Sticker
Bullet Point #3 Ideal For Street Applications
Bullet Point #4 To Extreme Duty Racing
California Proposition 65 Yes
California Proposition 65 Chemical Name 1 Cadmium and cadmium compounds
Country of Origin (Primary) CN
Crankshaft Bolt Hole Count 6
Crankshaft Bolt Hole Quantity 6
Crankshift Bolt Hole Count 6
Dual Pattern No
Emission Code Legal US
GTIN 00019695202309
Harmonized Tariff Code (Schedule B) 8708401110
Hazardous Material Code N
IHRA Legal Yes
Item Weight 7.000 lbs.
Life Cycle Status Code Available to Order
Long Description Automatic Transmission Flexplate
NAFTA Preference Criterion Code B
NHRA Accepted Yes
NHRA Legal Yes
Outside Diameter 14.100 in.
Outside Diameter (in) 14.10
SDR Required Flag N
SDS Sheet Number N
SFI Approved Yes
SFI Certification Sticker Included
Short Description Flexplate
Standard Pack 1
Timing Marks 168
Tooth count 168
WARNING CA Proposition 65 Yes
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Warranty Time 12
Weight (lb) 6.50

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B&M 20230 Automatic Transmission Flexplate

Product Information

  • Brand: B&M
  • Product Number: 20230
  • $109.95

The AAM Group™ Proposition 65
Proposition 65 warning graphic (For California Residents)
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Tags: 20230, Flexplate, B/M, transmission, automatic, shift kit, improver, transkit, racing, knob, lever, torque converter