Kent-Moore Tool J42385-605 Stop Collar for Thread Repair Kit

The Kent-Moore J42385-605 Stop Collar is a precision replacement component designed for use with the J-42385 Time-Sert thread repair kit system. This stop collar serves as a depth-setting device that ensures accurate and consistent drilling and counterboring operations during thread repair procedures on GM engines.

Key Features:

• Precision-machined stop collar for the J-42385 Time-Sert thread repair system
• Ensures consistent depth control during thread repair operations
• Essential component for proper installation of Time-Sert thread inserts
• Designed to GM Powertrain specifications for professional-grade repairs
• Compatible with J-42385 series thread repair kits for aluminum engine blocks

This stop collar is used in conjunction with other J-42385 system components including drills, counterbores, taps, drivers, and guide plates to perform critical thread repairs on damaged cylinder head bolt holes, main bearing cap mounting holes, and other threaded fastener locations in GM 4.0L, 4.6L, 5.7L, and 6.6L engines. The Time-Sert method provides superior thread repair compared to traditional helicoil inserts and is the recommended procedure by General Motors Powertrain.