ENGINE BLOCK ASSEMBLY

GM LS3 Engine Block Assembly

The GM LS3 Engine Block Assembly is a genuine GM aluminium engine block manufactured to OE specifications, providing the ideal foundation for high-performance LS3 engine builds. Precision machined and ready for assembly, it delivers the strength, accuracy and durability required for performance street, circuit racing and motorsport applications.

Designed to accept genuine GM LS3 rotating assembly and valvetrain components, this engine block ensures correct fitment and consistent performance throughout the build process. Whether replacing a damaged block or starting a new engine project, this genuine GM component offers the reliability and machining quality expected from an original equipment foundation.

Ideal for professional engine builders, race teams and high-performance workshops.

Specifications

• Genuine GM LS3 Engine Block Assembly
• High-Strength Cast Aluminium Construction
• Precision Machined OE Casting
• Suits GM LS3 Engine Builds
• Genuine GM Replacement Component
• Ideal for Performance, Motorsport and Engine Rebuild Applications
• Ready for Engine Assembly
• SKU: 12673476