Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Drivetrain› Bellhousings and Components
B&M
TRANSMISSION CASE ADAPTER CHEV - BOP
SKU: B00M 30497
Easy — 1–2 hours
Overview
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Part #: 30497
This B&M Racing transmission bellhousing adapter plate was developed to bolt a Buick, Oldsomobile or Pontiac TH350,TH400 or TH700R4 transmission on Chevrolet small block big block engines manufactured after 1962. Does not fit late model LS or LS based LT engines. The heavy gauge adapter plate is laser cut to exacting tolerances for a precise fit, then powdercoated with a premium black finish. Also features the iconic B&M name laser cut in the plate. Includes hardware to mount the adapter plate to the transmission and installation instructions. Made in the USA.
Features:
- Adapts Early Chevy V8 Engines to B.O.P. Transmissions
- Durable Black Powdercoated Finish
- Laser Cut For Precise Fitment
- Over 65 Years of B&M Quality
- Heavy 10-gauge Plate Steel
- B&M Logo Laser Cut
SBC/BBC Engine to Buick, Olds, Pontiac TH350/TH400/TH700R Transmission.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | B&M |
| Part Number | B00M 30497 |
Videos
B&M Transmission Adapter Plate - to Buick, Olds, Pontiac TH350,TH400 or TH700R4
B&M Trans Adapter Plate 30497 - SBC/BBC to Buick, Olds, Pontiac TH350, TH400, TH700R4
Motorhead Garage Installs a B&M Transmission Cooler
B&M solid flex plate install on Big Block Mopar
B&M shift improver Th400 overview
70 Chevy Truck B&M TH350 4WD Trans Install
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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