MERLIN
BIG BLOCK CHEVROLET

SHORT BLOCK ASSEMBLIES

How big do you want to go? We've got short block assemblies ranging from 509 to 632 inches based on World Merlin blocks and other top quality components. They are assembled in World's race -quality shop by skilled engine builders. Compare and you'll discover that you can buy a short block assembly for a price that's comparable to purchasing parts alone from other sources.
Build Sheet | Instruction Sheet
Big Block Chevrolet Short Block Assemblies
Part # Description Deck Height Pistons
108225 509 Low Compression 9.800" 12cc Dome
108225A 509 Low Compression Aluminum Block 9.800" 12cc Dome
108227 509 High Compression 9.800" 41cc Dome
108227A 509 High Compression Aluminum Block 9.800" 41cc Dome
108250 540 Low Compression 9.800" 5cc Dome
108250A 540 Low Compression Aluminum Block 9.800" 5cc Dome
108252 540 High Compression 9.800" 46cc Dome
108252A 540 High Compression Aluminum Block 9.800" 46cc Dome
108260 572 Low Compression 10.200" 15cc Dome
108260A 572 Low Compression Aluminum Block 10.200" 15cc Dome
108262 572 High Compression 10.200" 42cc Dome
108262A 572 High Compression Aluminum Block 10.200" 42cc Dome
108270 632 Low Compression 10.200" -6cc Dome
108270A 632 Low Compression Aluminum Block 10.200" -6cc Dome
108272 632 High Compression 10.200" 33cc Dome
108272A 632 High Compression Aluminum Block 10.200" 33cc Dome