Chevrolet Performance 19432546 - Tall Deck 572 Bowtie Sportsman Bare Block

1-piece rear main seal Uses Mark IV-style front cover and oil pan mounting CNC-machined cast-iron 4-bolt block 4.560" fully honed bore 4.600" max bore Powder-coated Chevy orange 5 windage tray bolts installed Tested to 800 horsepower! This is the block used for our 572 engines