For Sale: BN Brodix tall deck BBC bare block. Mark IV (2 pc real main). Align honed with ARP main studs. Decked with fixture to 10.170". Bore and honed with torque plates to 4.600". .904" lifter bores. Race prepped, all bolt hole thread checked, sharp edges removed. BN Jesel #32000 belt drive. Jesel housing has been clearance fit to block. Available with or without Erson solid roller cam. (315) 343-6030 days (315) 529-3398 cell