AP Ultra-Thin Piston Ring Sets
New Total Seal Ultra-Thin Ring Packs offer maximum efficiency and significantly reduced friction for normally aspirated engines.
-Feature 0.9mm, 2.0mm ring sets. They include AP Advanced -Profiling Steel top rings, ductile iron Napier 2nd rings(in most sets where available) and new standard tension oil ring sets.
.120" radial depthfor excellent bore conformability
-Reduced stack height permits use of a piston with a very short compression height allowing the use of longer connecting rods, and/or increased strokes while keeping the wrist pin out of the oil ring groove.
-Available in Gapless or Conventional