D&J Precision Machine makes our tool steel wrist pins in our own facility right here in the United States. We source the highest quality materials. We have used our years of experience pushing the limits in high performance diesel technology to design these wrist pins to take whatever you want to throw at them.
Specs of 6.7 Cummins Tool Steel Wrist Pins:
3.550″ length 1.5745″ Outer Diameter, 0.437″ Wall
Also, check out the 5.9 Cummins Tool Steel Wrist Pins: