GM12729604 - GM PERFORMANCE LS3 L92 OE REPLACEMENT BLOCK

PRODUCTION CYLINDER BLOCKS
The LS-Series cylinder block is the foundation for the serious performance achievements that are driving a new generation of street and racing enthusiasts. Features include a deep-skirt casting (the block side extends below the crankshaft centerline);6-bolt cross-bolted main caps,strong and lightweight aluminum alloy casting (most production blocks) and provisions for the latest in engine control management. The cam-in-block configuration brings inherent torque to every LS engine,with production-based blocks capable of supporting combinations of 500 horsepower or more. The Corvette ZR1™s unique 6.2L block,for example,supports the engine™s 638-horsepower rating. Chevrolet®Performance™s high-performance iron LSX cylinder block supports more than 2,000 forced-induction horses!

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.

LS3/L92 Aluminum 6.2L Bare Block
Direct replacement for:
2009-2012 L9H
2010-2012 L94
2008-2013 LS3
2010-2013 L99
2007-2008 L92
Production aluminum block with iron sleeves
Production oiling system
Forged powered metal 6-bolt main bearing caps
9.240" deck height
Use only LS1,LS6,LS2,L92/LS3-style cylinder heads
4.065" finished bore (103.25mm)
Provisions for Active Fuel Management
Great for stroker cranks for even more cubes
Tested to over 500 horsepower!r

California Proposition 65 Warning