Chevrolet Performance LQ4/LQ9 6.0L Gen III Cast-Iron Bare Engine Block
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Cast-Iron Production LS-Series Engine Blocks
Whether you're building a mild street engine or an Outlaw racing engine, starting with a strong LS cylinder block brings the assurance that you'll make the power you need with a durable foundation.
- Material: Cast Iron
- Weight: 212 lbs
- Main Caps: Powder metal - 4 bolt verticle drilled and two horizontal cross bolts
- Deck Height: 9.240"
- Deck Finish Machined: Yes
- Finished Bore Size (as shipped): 4.000"
- Bore finish: Finish Honed
- Cylinder wall thickness: 0.280"
- Main Brg Journal size: 2.56"
- Dipstick hole drilled: RH only
- Crank Seal type: 1-piece insert
- Max Stroke: 3.622"
- Cam Bearing finished cam bore (W/brgs): 2.1688 - 2.1678"
12733807 supersedes 12679002
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