Dart Big M Pro Block 11.1 Deck Height, 4.600 Bore
Dart stopped making these but we have a few here that we fully machined. The machine work consists of the following. The Pro Blocks feature a .600 raised cam tunnel, 2.125 cam bore & DRCE Spread oil pan rails.
- Finish hone 4.600
- Cut deck for O-Rings
- Clearance for 5.250 stroke crankshaft
- Wide Pan Rails
- .600 Raised 2.125 Cam Tunnel
