Dart Big M Sportsman Chevy Big Block Iron Block – 4.600 in. Bore, 10.200 in. Deck (31223654) universal

Dart Big M Sportsman Chevy Big Block Iron Block – 4.600 in. Bore, 10.200 in. Deck (31223654) universalDart Big M Sportsman Chevy Big Block Iron Block 4. 600 in. Bore, 10. 200 in. Deck (31223654) Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. The Dart Big M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas. A competition

Excellent fuel economy with stock like smoke output

Just swap your stock parts with our billet wheel

Available for most popular diesel light and medium-duty truck applications

If you are buying this kit it is assumed that you have the knowledge and ability to build your own turbo (just like if you were buying an engine rebuild kit with oversized pistons)

Swaged Steel Tips: Extend the rocker arm’s service life over the plastic retainers found on some year models

7L Diesel is recommended over bolts whenever possible for several key reasons

When higher RPM

Modified dual CP3s and pyrometer mandatory

This is basically a pre-built turbo with our "balanced assembly" that has our 1 year

the MAHLE 224-3451WR Piston With Rings (Standard

Larger valves raise flow at every lift point and allow the max flow to be reached sooner and for longer

2001-2016 Duramax Performance HD Valve Spring Set of 32 (360-1022)