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Vehicle Info NeededCHEVROLET PERFORMANCEPART NUMBER: 809-12602691
LS2 6.0L Aluminum Bare Engine Block 450HP
$1,47199
Truck Freight
Ships on 09/14/2026
Lowest Price GuaranteeAluminum Production LS-Series Engine Blocks
- LS2 6.0L Bare Block
- Direct replacement for 2005-2008 LS2 Corvette, SSR, GTO 6.0L and TrailBlazer SS
- Production 319-T5 aluminum block with iron sleeves
- 4.000" finished bore (101.6mm)
- Tested to over 450 horsepower!
Notes: - Max HP: 450
- Max Stroke: 4.00"
- Street Use
- Production oiling system
- 6-bolt iron main bearing caps
- 9.240" deck height
- Use only LS1, LS6, LS2, L92/LS3-style cylinder heads
- Provisions for Active Fuel Management
- Great for stroker cranks for even more cubes
GM Gen III & Gen IV Small Block Performance
Chevrolet Performance LS Series Engine Blocks are driving a new generation of street and racing enthusiasts by providing a foundation for serious performance achievements. Chevrolet took a chance with the LS engine, staying true to the pushrod small-block and continued to develop this technology to the point that building a daily-driven, 500-plus HP car is no big deal. If you are building a full out track-only racing engine or a mild street cruiser there is a strong and durable LS cylinder block available to assure that you produce the power you require safely!
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Features:
- Deep-Skirt Casting (the block side extends below the crankshaft centerline)
- 6-Bolt Cross-bolted Main Caps
- Provisions for the latest in Engine Control Management
- 9.240" Standard Deck Height
- 2.560" Standard LS Crankshaft Journal Diameter
Part TypeEngine Block
Product LineChevrolet Performance LS-Series Engine Blocks
BrandCHEVROLET PERFORMANCE
Package Height25.0
Package Width28.0
Package Length30.0
Weight210.0 PG
Part CategoryPerformance Parts
Main Journal TypeOEM
Engine Block StyleStock/OEM standard deck
Engine Block MaterialAluminum
Cylinder Bore As Shipped4 in (101.6 mm)
QuantitySold individually
Raised Cam LocationNo
Freeze Plugs IncludedYes
Main Bolt Style6-bolt
Deck Height9.24 in (234.696 mm)
Main Bearings IncludedNo
Main Cap MaterialNodular iron
Rear Main Seal Style1-piece
Main Caps IncludedYes
Finished Cylinder BoresYes
Cylinder Bore Diameter4 in (101.6 mm)
Cam Bearings IncludedYes
Main Cap Fasteners IncludedYes
Vendor Part Number12602691
Package Qty1
Package TypeEA
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