GM Performance Aluminum Engine Block – Bare 6.2L LSA
This 6.2L LSA aluminum engine block from GM Performance is a bare block with cast iron sleeves and six-bolt main caps, part number 12673476. See the full description below for specifications and fitment details.
See all engine blocks. Ships for a flat $75 to any US state (shipping policy). Read our 2-bolt vs 4-bolt main guide.
LSA 6.2L Aluminum Block 12673476
Production, cast aluminum bare block, which weighs just 108 lbs., includes cast iron sleeves and a 4.065″ finished bore. Utilizing a 9.240″ deck height, block features a production oil system, oil squirters for piston cooling, and six-bolt main bearing caps.
Note: Block has no provision for AFM (Active Fuel Management).
- Engine – 6.2L LSA
- Bare Block
- 4.065 in Bore – 9.240 in Deck – 6-Bolt Main – 1-Piece Seal
- Aluminum
- GM LS-Series
- Sold as Each
- Part Number: 12673476
Specifications
| Brand | Chevrolet Performance |
| Part Number | 12673476 |
|
Cylinder Bore
|
4.065 in
|
|
Cylinder Bore as Shipped
|
4.065 in
|
|
Intended Maximum Finish Bore
|
4.085 in
|
|
Deck Height
|
9.240 in
|
|
1-Piece / 2-Piece Rear Main Seal
|
1 Piece
|
|
4 Bolt / 2 Bolt Mains
|
6 Bolt
|
|
Raised Cam Location
|
No
|
|
Main Caps Included
|
Yes
|
|
Main Cap Material
|
Iron
|
|
Main Cap Fasteners Included
|
Yes
|
|
Cam Bearings Included
|
No
|
|
Wet Sump / Dry Sump
|
Wet Sump
|
|
Weight
|
108 lbs
|
|
Freeze Plugs Included
|
No
|
|
Material
|
Aluminum
|
|
Color
|
Natural
|
|
Finish
|
Natural
|
|
Quantity
|
Each
|
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