Precision Engineered: Chevrolet Performance LSX Cast Iron Bare Block - 4.065 Bore, Finished

Lay the groundwork for an exceptionally powerful and reliable LS engine with the Chevrolet Performance LSX Cast Iron Bare Block. This meticulously finished block, featuring a 4.065-inch bore and 9.240-inch deck height, is ready for assembly, providing a robust and precise foundation for your high-performance GM LS-Series build. Designed for builders who demand the best, this block offers superior strength and dimensional accuracy right out of the box, significantly reducing preparation time and costs.

Key Features for High-Performance Builds:

• Premium Cast Iron Construction: Delivers outstanding durability and resistance to deflection under extreme loads, ensuring long-term reliability for demanding applications.
• 4.065-inch Finished Bore: Pre-machined to a precise bore size, simplifying assembly and ensuring optimal piston fitment without additional machining.
• 9.240-inch Deck Height: Optimized deck height for specific LS engine configurations, ensuring proper valvetrain geometry and compatibility with performance cylinder heads.
• 6-Bolt Main Caps: Provides maximum crankshaft support and stability, essential for high-horsepower, high-RPM, and forced induction applications.
• 6-Bolt Head Bolt Pattern: Compatible with high-performance cylinder heads, enhancing clamping force and improving head gasket sealing under extreme pressures.
• 1-Piece Rear Main Seal: Modern design for improved oil retention and reduced leakage, contributing to a cleaner and more reliable engine.
• Iconic Orange Finish: A signature look that signifies genuine Chevrolet Performance quality and adds a distinctive visual appeal to your engine.

Ready for Your High-Horsepower Vision

Unlike semi-finished blocks, this LSX bare block arrives with a finished 4.065-inch bore, allowing for quicker assembly and significantly reducing machining costs. Its robust cast iron construction, combined with a 6-bolt main and 6-bolt head bolt pattern, makes it an ideal choice for forced induction, large displacement, or high-RPM naturally aspirated LS engines. Every detail, from the standard main bearing size to the 1-piece rear main seal, is engineered for performance and longevity. This block is a testament to Chevrolet Performance's commitment to quality, providing a solid, reliable core for your next record-breaking engine. Discover the potential of genuine Chevrolet Performance parts at GGCRACING.