DARTON has been manufacturing precision performance sleeves since 1978. Currently Darton is the major suppliers of performance sleeves throughout the United States and Canada. The reason for this market share is simple, a very high quality product at the most competitive prices available. The ASTM specifications for performance ductile iron sleeves indicates a minimum tensile strength of 100,000 pounds. DARTON SLEEVES are much stronger than this and will withstand the punishment these sleeves must endure in Top Fuel motors. In addition, DARTON sleeve material is much more abrasion resistant and harder on the surface than any other product available. This feature provides for good oil retention, ring seal, and the ultimate in leak down performance. DARTON performance sleeves in a "Race Ready" condition are in stock for most all popular applications.
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