Excellent upgrade for stock replacement, street performance, Sportsman racing, circle track and legal for 305 RACESAVER® Sprint Series.

In order to accommodate the needs of racers in classes that require engines with stock displacements, Dart is now offering a Cast Iron Little M 305 water block with 3.750” cylinder bores.

The new Little M 305 water block has non-siamesed cylinder bores, priority main oiling and thick decks with blind head bolt holes that give the Little M block its reputation for reliability and excellent performance.