Every Grant piston ring that rolls off the line is designed
by our Engineering staff for ease of installation and
maximum efficiency over the life of the engine. Grant
has complete control over the design and quality of
every ring we produce. The bottom
line is:
We manufacture the highest quality rings for unmatched
engine performance.
Supplying rings for automotive, light truck, compressors,
generators and stationary engines, we have a ring
to fit your needs. Grant has well over 2000 available
part numbers. We circle the globe with our coverage
of American, European, Korean and Japanese applications.
Quality control isn?t just about product, but people
too. Working together, we provide each other with
the tools necessary to produce high quality products.
From machine operators to top management personnel,
everyone is involved in contributing to achieving
our quality goals.
Grant Piston Rings are available in
three (3) different styles:
These ring sets contain compression rings which are
manufactured to precision specifications from high grade
castings. The rings are beveled on the inside top, which
gives a torsional twist characteristic or relieved on
the lower ridge for oil scraping characteristics. This
second ring type is generally used in the second groove.
Oil rings are of either circumferential design or Grant’s
patented channel oil ring, both of which provide quick
seating, positive oil control and long life.
Plain ring sets are identified with
no prefix or a “P” prefix, e.g. 2271.020
or P2271.020
These ring sets have a top compression ring that is
chrome plated for resistance to wear and scuffing.
High strength iron is used where applicable. Intermediate
rings are of Torsional twist design. Oil rings are
of either circumferential design or Grant’s
patented channel oil ring, both of which provide quick
seating, positive oil control and long life.
Chrome ring sets are identified with
a “C” prefix, e.g. C2271.020
These ring sets have a top compression ring which
contains a section of 100% pure molybdenum with a
melting point of 4730° Fahrenheit (2610° C).
This high melting point reduces scuffing; scoring
and heat transfer from the piston to the cylinder
block.
Molybdenum increases lubrication, improves
compression and adds longer life as well as working
with today’s shorter skirted pistons. The oil
ring included with these sets is a three-piece circumferential
design, which allows uniform unit wall pressure and
efficient oil control.
Moly ring sets are identified with an
“M” prefix, e.g. M2271.020
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