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
Specifications:
Motor Vehicles
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Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.