Edelbrock LS Series 54903U-904 Engine Bare Block with 4.120-Inch Bore and 9.240-Inch Deck Height

The Edelbrock LS Series 54903U-904 engine bare block is designed for high-performance automotive applications, offering robust construction and precise specifications. Crafted from aluminum, this block features a 4.120-inch bore and a 9.240-inch deck height, making it suitable for custom engine builds and aftermarket modifications. The block includes a six-bolt main cap configuration and a one-piece rear main seal, providing strength and durability for demanding engine setups. Its compatibility with GM LS-series engines ensures reliable performance and ease of installation.

Constructed from lightweight aluminum, this engine block reduces overall vehicle weight while maintaining structural integrity under high-stress conditions. The design incorporates a tall deck height, offering increased displacement potential and improved airflow characteristics. This bare block is ideal for engine builders seeking a versatile base for performance upgrades, including roller camshaft compatibility and custom machining.

Designed for versatile applications, the Edelbrock LS Series 54903U-904 is suitable for street performance vehicles, racing engines, and off-road builds. Its proven engineering and high-quality materials ensure long-lasting durability and consistent performance. Whether upgrading an existing engine or building from scratch, this bare block provides a reliable foundation for achieving maximum horsepower and torque in your vehicle.

Features:

• Aluminum construction for lightweight durability

• 4.120-inch bore size for high-performance applications

• 9.240-inch tall deck height for increased displacement

• Six-bolt main cap design for added strength

• One-piece rear main seal for leak prevention

• Compatible with GM LS-series engines

• Suitable for custom engine builds and performance upgrades