EDELBROCK 54903U-904 Edelbrock LS Series 54903U-904 Bare Aluminum Short Block with 4.120-inch Bore and 9.240-inch Deck Height

The Edelbrock LS Series 54903U-904 is a high-performance bare engine block designed for serious engine builders and custom applications. Crafted from durable aluminum, this short block features a 4.120-inch bore and a tall 9.240-inch deck height, providing ample room for performance upgrades and precision assembly. Its 6-bolt main design ensures robust support for high horsepower builds, making it ideal for street, racing, or off-road projects. The one-piece rear main seal enhances sealing reliability and simplifies installation, contributing to a smoother assembly process. Whether you're upgrading an existing engine or building a new powertrain from scratch, this LS series block offers the strength and versatility needed for demanding applications.

Features:

• Material: Aluminum construction for lightweight strength and cooling efficiency

• Bore Size: 4.120 inches for increased displacement and power potential

• Deck Height: Tall 9.240 inches allows for larger pistons and longer rods

• Main Cap: 6-bolt design for enhanced durability and support

• Seal Type: One-piece rear main seal for improved sealing and leak prevention