Dart Big M BBC block -

Dart Big M BBC block

Dart Big M BBC block

Dart engineered the Big M to be the strongest, most reliable and easiest to build big-block on the market

SKU: Dart Big M Category:


With available deck heights of 9.800 and 10.200 and bore sizes of 4.250,4.500 and 4.600 the big M gives you the versatility to build a variety of engine combinations. Redesigned to create a true “priority main” system that oils all of the main bearings before the lifters for extra reliability. The Big M is fitted with billet main caps for the ultimate bottom end strength.Includes coated cam bearings,freeze plugs and dowels.Starting at $2300. Please call for pricing.