Use this aluminum Gen IV cylinder block as teh starting point for a big-inch custom street or competition engine. Many Gen III (LS1 & LS6) components, including cylinder heads and reciprocation parts, can be used.
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 productioin 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'sunique 6.2L block, for example, supports the engine's 638-horsepower rating. GM Performance Parts' high-performance inon LSX cylinder block supports more than 2000 forced-inductioni 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 amke the power you need with a durable foundation.
LS2 Aluminum 6.0L Bare Block (not shown)