COMP Cams 633-8 5/16in x 8.000in Chromoly Steel Pushrod

The COMP Cams 633-8 is a high-quality chromoly steel pushrod designed for use in performance and stock-replacement engine builds. Measuring 5/16 inch in diameter and 8.000 inches in length, this pushrod is precision-manufactured to deliver consistent valvetrain geometry and reliable lifter-to-rocker arm contact across a wide range of applications.

COMP Cams pushrods are produced from high-strength chromoly steel tubing, offering superior durability and resistance to flex under high-RPM and high-lift conditions compared to standard OEM pushrods. Each pushrod features precision-ground, ball-radius ends for smooth, reliable contact with the lifter and rocker arm.

Key Features:

• Diameter: 5/16 inch (0.3125 in)
• Length: 8.000 inches
• Material: High-strength chromoly steel
• Precision-ground ball ends for consistent valvetrain geometry
• Sold individually
• Compatible with a wide range of domestic V8 engine platforms

Whether you're building a street performance engine or refreshing a worn valvetrain, the COMP Cams 633-8 pushrod delivers the precision and durability expected from one of the industry's leading valvetrain specialists.