Original GM 3899621. used original GM 3899621 Bell housing Chevy 621 (as shown in pictures ). The correct GM Hi Performance Bellhousing for 1965-1973 Camaro, Chevelle, Corvette & Nova with 11" clutch.
Original GM 464697 like 621 Bellhousing 3899621 Chevy 11" Camaro Chevelle HIPO????
Original Bellhousing GM 3840383 Chevy 10-1/2 " 153 Camaro Chevelle Corvette Nova
Original Bellhousing GM 3858403 Chevy 10-1/2 " 153 Camaro Chevelle Corvette Nova
