5X 4792 Top Dead Center Stop Tool 18mm Bolt-Style

Top Dead Center Stop Tool

This 18mm bolt-style top dead center stop tool, cross-referenced to part number 4792, is designed to precisely locate top dead center on compatible engines during timing service.

Overview

The top dead center stop tool is a specialized mechanical instrument used to find the exact top dead center of a piston. This top dead center stop tool threads directly into the spark plug port to physically halt piston movement for accurate timing marks. Automotive technicians and engine builders rely on this top dead center stop tool to ensure exact valve and ignition timing calibration.

Built For Performance

• Machined from heavy-duty steel to prevent thread damage
• Thread size of 18mm fits standard spark plug ports
• Bolt-style adjustment allows fine-tuning of the stop depth
• Corrosion-resistant finish ensures long tool life in busy shops

On-The-Job Use

• Locating accurate timing marks during engine assembly
• Checking camshaft timing alignment on overhead cam engines
• Verifying balancer marks during high-performance engine tuning

Specs At A Glance

Good To Know

Q: How does this tool prevent damage to the piston dome? A: The stop tool features a rounded, smooth tip designed to contact the piston gently without scratching or gouging the metal.

Q: Can this tool be used on 14mm spark plug holes? A: This specific tool is threaded for 18mm holes and requires a thread adapter to be used in smaller sizes.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.