HEMI®

BIG BLOCK MOPAR® PRODUCTION AND RACE

SHORT BLOCK ASSEMBLIES

The long-awaited Mopar HEMI blocks from World Products are here and now you can buy a complete short block assembly in any of three displacements to go fast-faster! These premium new blocks are filled with the same kinds of heavy-duty, high performance parts that the whole line is famous for. Names like Eagle, Arias, Total Seal and Clevite assure quality and value. Each assembly is precision internally balanced at World and carefully assembled to race-quality specs. The Aluminum block versions are all of the above-and LESS! The Aluminum block only weighs 142 pounds!
Build Sheet | Instruction Sheet
Big Block Mopar Short Block Assemblies
Part # Description Bore/Stroke Pistons
109210 528 Low Compression Production Block 4.500 x 4.150  65cc Dome
109210A 528 Low Compression Race Block Aluminum 4.500 x 4.150  65cc Dome
109250 540 Low Compression Production Block 4.500 x 4.250  65cc Dome
109250A 540 Low Compression Race Block Aluminum 4.500 x 4.250  65cc Dome
109260 572 Low Compression Production Block 4.500 x 4.500  65cc Dome
109260A 572 Low Compression Race Block Aluminum 4.500 x 4.500  65cc Dome