BIG M Aluminum Race Series

Dart’s Big M Aluminum Race Series Big Block Chevy engine blocks are designed for competitive racing and high-performance street applications. These lightweight yet incredibly strong blocks are crafted from premium RMR cast aluminum alloy to handle extreme horsepower and torque. Each block features a raised cam location for additional clearance for big stroke combinations, ductile iron sleeves with extra thick cylinder walls to promote excellent ring seal, reinforced lifter valley ribs, and much more for superior cooling, precision, and durability. Big M Aluminum Race Series blocks are the ultimate choice for serious racers.