Save money and get the best possible ring seal and
engine life by having your stock cylinders precision
bored and honed by NRHS. We bore your cylinders
using a state-of-the-art CNC machine that not only
bores the cylinders straight, but it squares the
bore up to the case deck surface and precisely
centers the bore to specifications. A special double
cutter boring head is used to eliminate deflection
induced distortions common with typical boring
machines, and coolant is directed into the bore
during the operation to ensure thermal stability for
the straightest bore possible. Torque plates are
used of course. We have found this boring equipment
and procedure to produce the highest quality bore
job possible.
Once bored, your cylinders are
then precision honed, again with
torque plates attached. During this procedure your
pistons are custom
fitted to the cylinders, providing a precise
cylinder wall clearance that minimizes noise and
enhances both ring seal and longevity. This
level of precision is simply not achievable by
slapping pistons into off-the-shelf cylinders.
For a graphic example of this,
click here.
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