This is the best method for fast precision alignment of main bearing bores. It does the complete job of alignment and sizing main bearing bores in about 30 minutes, floor-to-floor time for an average passenger car block. Just add a few minutes more for truck blocks.
Shops all over the country enjoy all the advantages of the CH-100, but the best, most practical reasons are speed and ease of use. Add quality work, and that about sums it up.
Sunnen Products Company has been a global leader in the manufacture of honing machines, honing tools, honing abrasives, honing oils/coolants and bore gages since 1924. Sunnen also produce lapping machines and tools as well as honing systems for engine rebuilding and performance race engines.