Description
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.
Resources
Installation Instructions
Specifications:
| Balance | External |
| California Proposition 65 Chemical Name 1 | Cadmium and cadmium compounds |
| Crankshaft Bolt Hole Quantity | 6 |
| Description_ASC | Holley Performance Emission Code 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 |
| Description_ASM | Fits 1955 to 1985 GM 400 cid small block engine. For externally balanced engines uses a 168 tooth ring gear. Has 10.75 inch and 11.5 inch bolt patterns. Compatible with Powerglide; TH350; TH400; and TH700R4 automation transmissions |
| Description_DEF | Auto Trans Flexplate |
| Description_DEF | Automatic Transmission Flexplate |
| Description_DES | Automatic Transmission Flexplate |
| Description_EXT | Automatic Transmission Flexplate; Standard SFI; External Balance; 168 Tooth; 10.75 in. and 11.5 in. Bolt Circle; |
| Description_FAB | Ideal For Street Applications |
| Description_FAB | Includes SFI Certification Sticker |
| Description_FAB | NHRA/IHRA Legal For All Classes |
| Description_FAB | To Extreme Duty Racing |
| Description_FAB | To High RPM Use |
| Description_INV | FLEXPLATE 168 TOOTH 400 CID |
| Description_KEY | 20232; Flexplate; B/M; transmission; automatic; shift kit; improver; transkit; racing; knob; lever; torque converter |
| Description_MKT | 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. |
| Description_MKT | As performance levels increase, an O.E. style flexplate just wont 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 1955-1985 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. |
| Description_SHO | Auto Trans Flexplate |
| Dual Pattern | No |
| height | 0.7 |
| IHRA Legal | Yes |
| Item Weight | 7.500 lbs. |
| length | 8.1 |
| LTL | N |
| NHRA Accepted | Yes |
| Outside Diameter | 14.100 in. |
| SFI Approved | Yes |
| SFI Certification Sticker | Included |
| Timing Marks | 168 |
| Title | B&M 20232 Flexplate, 168 Tooth 400 CID |
| WARNING CA Proposition 65 | No |
| weight | 7.3 |
| width | 14.2 |
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