The LS race block adds the benefits of an extra-thick .750" deck surface, raised cam centerline, and priority main bearing oiling. Cylinder walls are siamese-cast with press-in cast iron cylinder liners. Patented Clean Cast technology provides a superior finish. Block includes a 9.240" deck height, 4.125" cylinder bores, and allows for up to 4.600" stroke.
- Engine Block Material:
- Aluminum
- Engine Block Style:
- Aftermarket/OEM standard deck
- Deck Height:
- 9.250 in.
- Cylinder Bore Diameter:
- 4.125 in.
- Maximum Bore Diameter:
- 4.165 in.
- Cylinder Bore as Shipped:
- 4.120 in.
- Finished Cylinder Bores:
- No
- Maximum Stroke:
- 4.600 in.
- Main Caps Included:
- Yes
- Main Cap Material:
- Steel
- Main Bolt Style:
- 6-bolt
- Main Journal Type:
- LS mains
- Rear Main Seal Style:
- 1-piece
- Main Cap Fasteners Included:
- Yes
- Main Bearings Included:
- No
- Engine Block Weight (lbs.):
- N/A
- Raised Cam Location:
- Yes
- Cam Bearings Included:
- No
- Freeze Plugs Included:
- Yes
- Finish:
- Natural
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
