COMP Cams 4912CPG Dial Indicator Extension - 5 Inch

The COMP Cams 4912CPG is a 5-inch dial indicator extension designed for precision engine measurement and setup work. This essential tool extends the reach of your dial indicator, allowing you to accurately measure piston deck height, crankshaft end play, camshaft run-out, and other critical engine clearances in hard-to-reach areas.

Key Features:

• 5-inch extension length provides access to deep engine components
• Precision-machined construction for accurate measurements
• Compatible with standard dial indicators
• Essential for professional engine building and blueprinting
• Allows measurement of piston deck height, bearing clearances, and component alignment

This extension is a must-have accessory for engine builders, machinists, and performance enthusiasts who demand precise measurements during engine assembly. The 5-inch length is ideal for reaching deep into engine blocks and cylinder heads while maintaining measurement accuracy.