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B&M Steel SFI Certified Flexplate, Small Block Chevrolet and 90 Degree V6 Chevrolet 20239

B&M Steel SFI Certified Flexplate, Small Block Chevrolet and 90 Degree V6 Chevrolet 20239
B&M Steel SFI Certified Flexplate, Small Block Chevrolet and 90 Degree V6 Chevrolet 20239
$277.99 ea
NEWARRIVING SOONEstimated Ship Date 06/19/2025 (If Ordered Today)19 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/30/2025
Model: 3998137
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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 1986-1994 GM (externally balanced) 4.3L V6 and GM small block V8 engines with one 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 torque 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
  • Dual Pattern 10.75 or 11.5-inch
  • Ideal For Street Applications
  • Zinc Plated Chromate Finish
  • To Extreme Duty Racing
  • Proven B&M QUality
Fits 1986 to 1994 GM externally balanced 4.3 liter V6 and small block V8 engines. Uses a 168 tooth ring gear. Has 10.75 inch and 11.5 inch bolt patterns. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.
Installation Notes:
Fits 1986 to 1994 GM externally balanced 4.3 liter V6 and small block V8 engines. Uses a 168 tooth ring gear. Has 10.75 inch and 11.5 inch bolt patterns. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.
About B&M Racing

B&M® specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance & Off-Road has been at the vanguard of the growing automotive aftermarket since the early 1950s. Racers themselves, B&M’s founders identified the needs of local performance enthusiasts and developed products to fill those needs. B&M specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, automatic shift handles, extended transfer case handles, cast deep aluminum transmission pans, differential covers, transmission coolers, power steering coolers, automatic transmission fluid, and transmission accessories for performance street, truck, Jeep, and off-road applications.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine
Chevrolet Astro 1985 4.3L / 262 / V6
Chevrolet Astro 1986 4.3L / 262 / V6
Chevrolet Astro 1987 4.3L / 262 / V6
Chevrolet Astro 1988 4.3L / 262 / V6
Chevrolet Astro 1989 4.3L / 262 / V6
Chevrolet Astro 1990 4.3L / 262 / V6
Chevrolet Astro 1991 4.3L / 262 / V6
Chevrolet Astro 1992 4.3L / 262 / V6
Chevrolet Blazer 1987 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Blazer 1988 5.7L / 350 / V8
Chevrolet Blazer 1989 5.7L / 350 / V8
Chevrolet Blazer 1990 5.7L / 350 / V8
Chevrolet Blazer 1991 5.7L / 350 / V8
Chevrolet Blazer 1992 5.7L / 350 / V8
Chevrolet Blazer 1993 5.7L / 350 / V8
Chevrolet C10 Suburban 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet C10 Suburban 1985 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet C10 Suburban 1986 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet C10 1984 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet C10 1985 5.7L / 350 / V8
5.0L / 305 / V8
4.3L / 262 / V6
Chevrolet C10 1986 5.7L / 350 / V8
5.0L / 305 / V8
4.3L / 262 / V6
Chevrolet C1500 Suburban 1992 5.7L / 350 / V8
Chevrolet C1500 1988 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet C1500 1989 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet C1500 1990 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet C1500 1991 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet C1500 1992 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet C20 Suburban 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet C20 Suburban 1985 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet C20 Suburban 1986 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet C20 1984 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet C20 1985 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet C20 1986 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet C2500 Suburban 1992 5.7L / 350 / V8
Chevrolet C2500 1988 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet C2500 1989 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet C2500 1990 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet C2500 1991 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet C2500 1992 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet C30 1984 5.7L / 350 / V8
Chevrolet C30 1985 5.7L / 350 / V8
Chevrolet C30 1986 5.7L / 350 / V8
Chevrolet C3500 1988 5.7L / 350 / V8
Chevrolet C3500 1989 5.7L / 350 / V8
Chevrolet C3500 1990 5.7L / 350 / V8
Chevrolet Camaro 1984 5.0L / 305 / V8
Chevrolet Camaro 1985 5.0L / 305 / V8
Chevrolet Camaro 1986 5.0L / 305 / V8
Chevrolet Camaro 1987 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Camaro 1988 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Camaro 1989 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Camaro 1990 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Camaro 1991 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Camaro 1992 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Camaro 1993 5.7L / 350 / V8
Chevrolet Caprice 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Caprice 1985 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet Caprice 1986 5.0L / 307 / V8
5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet Caprice 1987 5.0L / 307 / V8
5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet Caprice 1988 5.0L / 307 / V8
5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet Caprice 1989 5.0L / 307 / V8
5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet Caprice 1990 5.0L / 307 / V8
5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet Caprice 1991 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Caprice 1992 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet Caprice 1993 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet Celebrity 1984 4.3L / 260 / V6
Chevrolet Corvette 1984 5.7L / 350 / V8
Chevrolet Corvette 1985 5.7L / 350 / V8
Chevrolet Corvette 1986 5.7L / 350 / V8
Chevrolet Corvette 1987 5.7L / 350 / V8
Chevrolet Corvette 1988 5.7L / 350 / V8
Chevrolet Corvette 1989 5.7L / 350 / V8
Chevrolet Corvette 1990 5.7L / 350 / V8
Chevrolet Corvette 1991 5.7L / 350 / V8
Chevrolet Corvette 1992 5.7L / 350 / V8
Chevrolet Corvette 1993 5.7L / 350 / V8
Chevrolet El Camino 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet El Camino 1985 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet El Camino 1986 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet El Camino 1987 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1984 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G10 1985 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1986 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1987 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1988 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1989 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1990 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G10 1991 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G10 1992 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1984 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1985 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1986 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1987 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1988 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1989 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1990 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet G20 1991 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet G20 1992 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet G30 1984 5.7L / 350 / V8
Chevrolet G30 1985 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet G30 1986 5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet G30 1987 5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet G30 1988 5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet G30 1989 5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet G30 1990 5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet G30 1991 4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet G30 1992 4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet Impala 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Impala 1985 5.0L / 305 / V8
5.7L / 350 / V8
4.3L / 262 / V6
Chevrolet K10 Suburban 1984 5.7L / 350 / V8
Chevrolet K10 Suburban 1985 5.7L / 350 / V8
6.2L / 379 / V8
Chevrolet K10 Suburban 1986 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K10 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet K10 1985 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet K10 1986 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet K1500 Suburban 1992 5.7L / 350 / V8
Chevrolet K1500 1988 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K1500 1989 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K1500 1990 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K1500 1991 5.7L / 350 / V8
5.0L / 305 / V8
4.3L / 262 / V6
Chevrolet K1500 1992 5.7L / 350 / V8
5.0L / 305 / V8
4.3L / 262 / V6
Chevrolet K20 Suburban 1984 5.7L / 350 / V8
Chevrolet K20 Suburban 1985 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet K20 Suburban 1986 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet K20 1984 5.7L / 350 / V8
Chevrolet K20 1985 5.7L / 350 / V8
5.0L / 305 / V8
4.3L / 262 / V6
Chevrolet K20 1986 5.7L / 350 / V8
Chevrolet K2500 Suburban 1992 5.7L / 350 / V8
Chevrolet K2500 1988 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K2500 1989 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K2500 1990 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K2500 1991 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet K2500 1992 5.7L / 350 / V8
4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet K30 1984 5.7L / 350 / V8
Chevrolet K30 1985 5.7L / 350 / V8
Chevrolet K30 1986 5.7L / 350 / V8
Chevrolet K3500 1988 5.7L / 350 / V8
Chevrolet K3500 1989 5.7L / 350 / V8
Chevrolet K3500 1990 5.7L / 350 / V8
Chevrolet K5 Blazer 1984 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K5 Blazer 1985 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet K5 Blazer 1986 5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet Monte Carlo 1984 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Monte Carlo 1985 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet Monte Carlo 1986 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet Monte Carlo 1987 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet Monte Carlo 1988 4.3L / 262 / V6
5.0L / 305 / V8
Chevrolet R10 Suburban 1987 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet R10 Suburban 1988 5.7L / 350 / V8
Chevrolet R10 1987 4.3L / 262 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Chevrolet R1500 Suburban 1989 5.7L / 350 / V8
Chevrolet R1500 Suburban 1990 5.7L / 350 / V8
Chevrolet R1500 Suburban 1991 5.7L / 350 / V8
Chevrolet R20 Suburban 1987 5.7L / 350 / V8
Chevrolet R20 Suburban 1988 5.7L / 350 / V8
Chevrolet R20 1987 5.0L / 305 / V8
4.3L / 262 / V6
5.7L / 350 / V8
Chevrolet R20 1988 5.7L / 350 / V8
Chevrolet R2500 Suburban 1989 5.7L / 350 / V8
Chevrolet R2500 Suburban 1990 5.7L / 350 / V8
Chevrolet R2500 Suburban 1991 5.7L / 350 / V8
Chevrolet R2500 1989 5.7L / 350 / V8
Chevrolet R30 1987 5.7L / 350 / V8
Chevrolet R30 1988 5.7L / 350 / V8
Chevrolet R3500 1989 5.7L / 350 / V8
Chevrolet R3500 1990 5.7L / 350 / V8
Chevrolet R3500 1991 5.7L / 350 / V8
Chevrolet S10 Blazer 1988 4.3L / 262 / V6
Chevrolet S10 Blazer 1989 4.3L / 262 / V6
Chevrolet S10 Blazer 1990 4.3L / 262 / V6
Chevrolet S10 Blazer 1991 4.3L / 262 / V6
Chevrolet S10 Blazer 1992 4.3L / 262 / V6
Chevrolet S10 1988 4.3L / 262 / V6
Chevrolet S10 1989 4.3L / 262 / V6
Chevrolet S10 1990 4.3L / 262 / V6
Chevrolet S10 1991 4.3L / 262 / V6
Chevrolet S10 1992 4.3L / 262 / V6
Chevrolet S10 1993 4.3L / 262 / V6
Chevrolet V10 Suburban 1987 5.7L / 350 / V8
Chevrolet V10 Suburban 1988 5.7L / 350 / V8
Chevrolet V10 1987 5.7L / 350 / V8
5.0L / 305 / V8
4.3L / 262 / V6
Chevrolet V1500 Suburban 1989 5.7L / 350 / V8
Chevrolet V1500 Suburban 1990 5.7L / 350 / V8
Chevrolet V1500 Suburban 1991 5.7L / 350 / V8
Chevrolet V20 Suburban 1987 5.7L / 350 / V8
Chevrolet V20 Suburban 1988 5.7L / 350 / V8
Chevrolet V20 1987 5.7L / 350 / V8
Chevrolet V2500 Suburban 1989 5.7L / 350 / V8
Chevrolet V2500 Suburban 1990 5.7L / 350 / V8
Chevrolet V2500 Suburban 1991 5.7L / 350 / V8
Chevrolet V30 1987 5.7L / 350 / V8
Chevrolet V30 1988 5.7L / 350 / V8
Chevrolet V3500 1989 5.7L / 350 / V8
Chevrolet V3500 1990 5.7L / 350 / V8
Chevrolet V3500 1991 5.7L / 350 / V8

Specifications:

Application Chevrolet
Balance External
California Proposition 65 Chemical Name Cadmium and cadmium compounds
California Proposition 65 Required Yes
Crankshaft Bolt Hole Count 6
Dual Pattern Yes
Emission Code 5
Engine Small Block Chevy
IHRA Legal Yes
NHRA Legal Yes
Outside Diameter (in) 14.1, 14.1
Part Type Automatic Transmission Flexplate
Product Type Flexplates
Proposition 65 www.P65Warnings.ca.gov
Register Diameter (in) 2.069
SFI Approved Yes
SFI Certification 29.1
SFI Certification Sticker Included
Tooth count 168, 168
Warranty Time 12 Months
Weight (lb) 6.5

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B&M Steel SFI Certified Flexplate, Small Block Chevrolet and 90 Degree V6 Chevrolet 20239: