BBC Big M Iron Block
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- The Big M block has solved all the problems that have plagued Big block racers for years.
- Dart designed this block to be user friendly with great features
that's needed today. For example, a redesigned lubrication system with
a priority main system that oils main bearings first, stepped main oil
gallery (9/16 to 1/2" to 7/16") increases oil flow at high rpm, oil
filter pad for external oil pump, scalloped water jackets, rear 4-bolt
main cap, lifter valley head stud bosses, dual oil pan bolt patterns
for notched oil pans, and a reinforced bellhousing flange with ribs to
resist cracks.
- This block saves assembly time with coated cam bearings, freeze plugs, and dowels installed!
- Engineered to be the strongest most reliable block on the market!
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