BluePrint Engines BP4002 GM Small Block 400ci – Short Block
BluePrint Engines BP4002 GM Small Block 400ci – Short Block is a engine assembly listing intended for buyers seeking a specific replacement, restoration, or performance application. Review the model and configuration details carefully before ordering to ensure the correct match for your vehicle or build.
Product Highlights
- 400 C.I. SBC
- BluePrint Engines Forged Crank – 3.750" Stroke and 5.700" Rods
- BluePrint Engines Forged Pistons
- 91+ Octane Recommended Fuel
Technical Specifications
| Compression Ratio | 10.3:1 with 64cc heads and .041 in. Head Gasket |
|---|---|
| Product name | BluePrint Engines BP4002 GM Small Block 400ci – Short Block |
| Store SKU | 97f0427dc6f7 |
Compatibility & Fitment
Engine compatibility depends on vehicle year, engine family, mounts, accessories, sensors, fuel delivery and emissions equipment. Verify the exact assembly configuration and required supporting parts before purchase.
What’s Included
Package contents depend on the exact manufacturer part number and whether the listing is a complete assembly, long block, short block, bare block, or transmission package. Only components explicitly stated in the product specifications or confirmed by the seller should be considered included.
Installation & Care
Follow the manufacturer’s installation, fluid, break-in, and maintenance instructions. Inspect all mating components and connections before first operation. Use the fluids and consumables specified for the exact application.
Warranty Information
Warranty coverage, duration, exclusions and any core-return requirements must be confirmed for this exact product before purchase. A 3-year store warranty should be advertised only if it is actually offered for this SKU under published store terms; manufacturer warranty may differ.
Important Product Information
Photos may show optional or illustrative components. Fitment, stock status, shipping requirements and installation accessories should be confirmed before ordering. Professional installation is recommended where applicable.

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