Description
The Dart SBC SHP Iron Block delivers the foundation your Small Block Chevy build demands—engineered for both street and competition applications with a proven iron construction that handles sustained high-RPM operation. Whether you’re building a 350 stroker or planning a larger displacement platform, this block’s 4.125″ bore and 9.025″ deck height provide the flexibility to dial in your exact displacement target. The factory-style 350 main and 4-bolt/2-bolt hybrid configuration ensure compatibility with your existing drivetrain components while maintaining maximum strength where it counts.
- 4.125″ bore
- 9.025″ deck height
- 350 main journal
- 4-bolt/2-bolt main
- 2-piece rear seal
- Cast iron construction
- Small Block Chevy
- Bare block (unprepared)
- MPN: 31161211






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