Darton Sleeves Nissan SR20.

Darton Sleeves are great for those who are building their engines to handle more horsepower. For anything over 500hp, sleeves are recommend to ensure engine reliability.The 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.The sleeves can be bored out to 90mm.Made out of ductile iron.Key Points:-Ductile Iron-For High HP Applications-Dry Sleeve