Automatic Transmission Flexplate; Standard SFI; External Balance; 168 Tooth; 10.75 in. and 11.5 in. Bolt Circle;
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 to 1985 400ci small block chevy V8 engines (externally balanced) 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
1966-1967 Buick Gran Sport
1975 Buick LeSabre
1966-1967 Buick Skylark
1968-1969 Buick Sportwagon
1970-1975 Chevrolet Bel Air
1970-1972 Chevrolet Biscayne
1970-1972 Chevrolet Brookwood
1976-1980 Chevrolet C10
1976-1980 Chevrolet C20
1976-1980 Chevrolet C20 Suburban
1976-1979 Chevrolet C30
1970-1976 Chevrolet Caprice
1970-1972 Chevrolet Chevelle
1970-1976 Chevrolet El Camino
1976 Chevrolet G10
1975-1980 Chevrolet G20
1975-1980 Chevrolet G30
1970-1976 Chevrolet Impala
1975-1980 Chevrolet K10
1975-1979 Chevrolet K10 Suburban
1975-1980 Chevrolet K20
1975-1980 Chevrolet K20 Suburban
1977-1980 Chevrolet K30
1975-1979 Chevrolet K5 Blazer
1970-1972 Chevrolet Kingswood
1975-1976 Chevrolet Laguna
1973-1976 Chevrolet Malibu
1970-1976 Chevrolet Monte Carlo
1977 Chevrolet P10
1976 Chevrolet P30
1970-1972 Chevrolet Townsman
1976 GMC C15
1978 GMC C15
1979-1980 GMC C1500
1976-1978 GMC C25
1978 GMC C25 Suburban
1979 GMC C2500
1980 GMC C2500 Suburban
1976-1978 GMC C35
1979 GMC C3500
1976 GMC G15
1979 GMC G1500
1975-1978 GMC G25
1979-1980 GMC G2500
1975-1978 GMC G35
1979-1980 GMC G3500
1975-1979 GMC Jimmy
1975-1978 GMC K15
1975-1978 GMC K15 Suburban
1979-1980 GMC K1500
1979-1980 GMC K1500 Suburban
1975-1978 GMC K25
1975-1978 GMC K25 Suburban
1979-1980 GMC K2500
1979-1980 GMC K2500 Suburban
1977-1978 GMC K35
1979-1980 GMC K3500
1971-1972 GMC Sprint
1974-1976 GMC Sprint
1965-1969 Oldsmobile 442
1975 Oldsmobile 98
1975 Oldsmobile Custom Cruiser
1967-1968 Oldsmobile Cutlass
1975 Oldsmobile Delta 88
1965-1966 Oldsmobile F85
1968-1969 Oldsmobile Vista Cruiser
1968-1978 Pontiac Bonneville
1968-1978 Pontiac Catalina
1968-1970 Pontiac Executive
1968-1979 Pontiac Firebird
1973-1975 Pontiac Grand Am
1975-1977 Pontiac Grand LeMans
1968-1977 Pontiac Grand Prix
1975-1978 Pontiac Grand Safari
1972-1975 Pontiac Grandville
1968-1973 Pontiac GTO
1968-1977 Pontiac LeMans
1968-1970 Pontiac Tempest
# of Teeth 168
Balance External
Brand B&M
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 WARNING: Cancer and Reproductive Harm - -
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 5, Legal US
GTIN 00019695202323
Harmonized Tariff Code (Schedule B) 8708401110
Hazardous Material Code N
IHRA Legal Yes
Item Weight 7.500 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
Product Type Automatic Transmission Flexplate
Prop 65 (C, R or CR) CR
Prop 65 - Short Label prop65_warning.jpg
Prop 65 Yes/No Yes
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 -
Warning California Proposition 65
Warranty Time 12
Weight (lb) 6.25

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Product Information

  • Brand: B&M
  • Product Number: 20232
  • $120.95

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

Tags: 20232, Flexplate, B/M, transmission, automatic, shift kit, improver, transkit, racing, knob, lever, torque converter