COMP Cams 4902CPG Cam Checking Fixture for Installed Cylinder Heads

The COMP Cams 4902CPG is a professional-grade cam checking fixture designed for use with cylinder heads installed on the engine. This precision tool is essential for engine builders who need to measure cam lift, rocker arm travel, and other critical valvetrain measurements during camshaft installation and degreeing.

Key Features:

• Screws into standard 1/4"-20 or 6mm metric valve cover bolt holes for secure mounting
• Compatible with dial indicators (sold separately) for precise measurements
• Allows measurement of cam lift at the rocker arm, pushrod, or lifter position
• More accurate and easier to use than magnetic indicator bases
• Multi-functional tool can also check rocker ratio and piston-to-valve clearance
• Professional quality construction maintains proper geometry during measurements

This fixture is designed specifically for heads-on engine measurement applications, making it ideal for checking camshaft specifications without disassembling the cylinder heads. The tool provides consistent, repeatable measurements essential for proper camshaft installation and achieving maximum engine performance.

Note: Dial indicator not included and must be purchased separately.