COMP Cams 4900 Magnetic Block Deck Checker For Dial Indicator

The COMP Cams 4900 Magnetic Block Deck Checker is a precision engine building tool designed to measure block deck height and piston protrusion accurately. This magnetic base holder securely attaches to engine blocks, providing a stable mounting platform for dial indicators during critical engine assembly measurements.

Key Features:

• Strong magnetic base provides secure attachment to ferrous metal surfaces
• Designed to hold dial indicators for precise deck height measurements
• Essential tool for checking piston-to-deck clearance during engine builds
• Compact design allows easy positioning on engine blocks
• Compatible with standard dial indicators (sold separately)
• Durable construction for professional engine shop use

This tool is invaluable for engine builders who need to verify block deck height, measure piston protrusion, and ensure proper compression ratio calculations. The magnetic base eliminates the need for clamps or awkward positioning, making precision measurements faster and more repeatable.