The COMP Cams 1828-1 Ultra Pro Magnum XD rocker arm is designed for high-performance Big Block Chevy applications. Featuring a 7/16 inch stud mount, this full roller rocker arm provides durability and precision for demanding engine builds. Its 1.80 ratio ensures optimal valve timing and improved airflow, contributing to enhanced engine power and efficiency. Constructed from chromoly material, this rocker arm offers superior strength and longevity under high-stress conditions. Suitable for professional engine assembly, the Ultra Pro Magnum XD is a reliable choice for performance enthusiasts seeking quality components.
Installation is straightforward with the 7/16 inch stud mounting, making it compatible with a range of Big Block Chevy engine configurations. The full roller design reduces friction and wear, promoting smooth operation and extending component lifespan. Whether upgrading an existing engine or building a new high-performance setup, this rocker arm delivers consistent performance and durability. Designed without air restrictions and available for non-truck applications, it is a versatile component for various racing and street performance projects.

Features:

• Material: Chromoly for strength and durability


• Design: Full roller for reduced friction and wear


• Compatibility: Big Block Chevy engines


• Mounting: 7/16 inch stud mount


• Ratio: 1.80 for optimal valve actuation