Dart Big M Cast Aluminum Engine Block, Big Block Chevy Naturally Aspirated Want something different

Want something different

It will also run cooler than its 2

We have seen that using 8 counterweight cranks essentially eliminates the uneven bearing wear that is often occurs in LS engines with the standard 6 counterweight crankshafts

the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations for street

Why not yours

Dart Big M Cast Aluminum Engine Block, Big Block Chevy Naturally Aspirated Want something differentCommercial Foreward Supply of these Dart Big M aluminum blocks has been virtually non existent since the start of the pandemic. Dart now expects to begin supplying limited quantities in Q1 2023. We have placed our order for 9. 800" deck, standard cam location and 4. 560" or less bore diameter blocks for our 555ci builds and general sales. If you want a block or build, call us now and we will add your block onto our order. Dart advises a January 1st