B&M Racing Transmission Adapter Plate-SBC/BBC Engine to BOP TH350/TH400/TH700R Transmission (30497) 1607 This “Competition Turbo” Plenum will

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B&M Racing Transmission Adapter Plate-SBC/BBC Engine to BOP TH350/TH400/TH700R Transmission (30497) 1607 This “Competition Turbo” Plenum willThis 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.