HASTINGS Plasma Moly Tough Guy Racing Piston Ring 8 Cylinder Set
Part Number 2M5528
Fits : Mopar Dodge Chrysler 440
Specs :
Bore Size : 4.320"
Top Ring : 1/16" Ductile Iron , Torsional , Plasma Moly
Second Ring : 1/16" Cast Iron , Reverse Twist Torsional
Oil Ring : 3/16" Hastings Patented Flex Vent , STANDARD Tension
Premium Ductile Series
Our Premium Ductile Series set offers a balance between performance and cost—making it our best-selling ring set. Top rings are made of high-tensile premium ductile iron, coated with either plasma moly impact-resistant alloy or abrasive-resistant, highly adhesive chrome. Premium Ductile, made with highly malleable Ductile iron, has the durability to withstand high temperatures and pressures, including abnormal combustion events (i.g. , detonation and pre-ignition). The top ring is Torsional Positive-Twist, packaged with our reverse twist, taper-faced cast iron or ductile napier 2nd groove.Premium Ductile Moly (2M) and Chrome (2C) Series include top rings made of proprietary shell-mold, ductile, high-tensile strength, premium cast iron. They are coated with plasma moly impact-resistant alloy or chrome. Premium Ductile Series can be found in the 25500, 2M8500 and 2C5500 families.
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