Dart Big Block Chevy Big M Engine Block

The Strongest and Most Reliable Big Block Available!

Dart has reinvented the "Rat Motor" with their cast-iron Big M big blocks. Working with top builders and Dart's own championship-winning Pro Stock engine department, they have designed a no-compromise, user-friendly block that solves the problems that have plagued big-block racers for years. Each unit is in-house machined on precision CNC equipment to ensure the highest quality and to eliminate the need for expensive blueprinting.