Dart Big M Sportsman Chevy Big Block Iron Block – 4.600 in. Bore, 10.200 in. Deck (31223654) 2001 - 2004 GM Turbochargers Performance Tune + MDS Delete

Performance Tune + MDS Delete (Boosted)

LB7 turbo on the market today

This kit will not produce more fuel pressure than the engine ECU requests

500 RPM with confidence using our 24-Valve Competition Springs

Flo~Pro's laser cut stainless steel EGR blocker plates are used when removing the EGR cooler

Dart Big M Sportsman Chevy Big Block Iron Block – 4.600 in. Bore, 10.200 in. Deck (31223654) 2001 - 2004 GM Turbochargers Performance Tune + MDS DeleteDart 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