Speedmaster®
Chrysler 5.7L Hemi Gen 3 B-3.917 DH-9.239 Billet Main Iron Engine Block
Promo
Product Information
Specs
| Brand: | Speedmaster |
| Part Number: | 1-286-010 |
| Part Type: | Engines, Bare Block |
| Main Journal Type: | OEM |
| Engine Block Style: | Stock / OEM Standard Deck |
| Cylinder Bore as Shipped: | 3.917 in. |
| Max Recommended Bore (in.): | 4.100 in. |
| Max Compression Ratio: | 15:1 |
| Engine Block Material: | Cast Iron |
| Main Bolt Style: | 2 Bolt Style |
| Main Caps Included: | Yes |
| Main Cap Material: | Billet Steel |
| Main Cap Fasteners Included: | Yes |
| Main Bearings Included: | No |
| Rear Main Seal Style: | 1-Piece |
| Finished Cylinder Bores: | Yes |
| Raised Cam Location: | No |
| Cam Bearings Included: | Yes |
| Freeze Plugs Included: | Yes |
| Quantity: | Sold Individually |
| Notes: | 2003-2008 Style Engine Block, does not utilize VVT. Max 0.040" Oversize. |
Description
Build your dream engine The next level of performance is these cast iron 5.7L Hemi Engine blocks. Designed to look standard under your bonnet, and work with stock components.
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.