ARP M8 x 1.25 Thread Chaser

A thread chaser will clean out threaded holes without removing material.  We use these on our blocks and heads before assembly to create the ideal clamping force from consistent torque measurements. 

ARP M10 x 1.50 Thread Chaser

A thread chaser will clean out threaded holes without removing material.  We use these on our blocks and heads before assembly to create the ideal clamping force from consistent torque measurements.