Description
If you’re building a small block Chevy engine that needs to handle real power without breaking the bank, the Dart Little M iron block is engineered for reliability at the track or street. Its reinforced construction—extra-thick decks, Siamese cylinder walls, and billet steel main caps—eliminates common failure points while maintaining compatibility with off-the-shelf components. Whether you’re planning a naturally aspirated build or forced induction setup, this bare block gives you a proven foundation that won’t let you down.
- Material: Cast iron, Class 32B
- Engine Type: Small block Chevy
- Bore: 4.125 in.
- Deck Height: 9.025 in. (standard)
- Main Bearing: 400 (4-bolt)
- Main Caps: Billet steel, splayed
- Seal: 2-piece design
- Cylinder Walls: Extra-thick Siamese
- Head Bolt Holes: Blind-tapped
- Oiling System: Priority main feed
- External Oil: Front/rear feed provision
- Fitment: Universal (uses standard SBC parts)
- Installation: Bare block (requires assembly)
- MPN: 31192211
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