Chase ’Em Back Tools has created a hinged reverse thread chaser. The heavy-duty pro 60 line has a Rockwell hardness of 60 and is designed for repairing spindles, studs and other threaded products.

This is especially critical in areas where heavy clamping forces are a must, such as the main caps and cylinder heads. And unlike standard taps that remove material, ARP’s thread-chasing taps ...