Evergreen RS3021-EVE.STD 96-04 Nissan Pathfinder Frontier Quest Infiniti QX4 3.3L VG33E Engine Piston Ring Set (Standard Size) Fits: 96-04 Nissan Pathfinder Frontier Quest Infiniti QX4 3.3L VG33E (see description below) Ultra Performance Custom Made Premium Piston Ring Set Gas Nitrited Steel Rings, 50% Longer Life, Reduced Oil Consumption, Reduced Blow By, Reduced Wear, Reduced Breakage, and Reduced Friction Much Improved Design With More Efficient, Withstands Extreme Heat, Reduce Tension With Better Fuel Economy, Reduce Cylinder Wear Provides Better Seal, Improves Performance, and Decreases Oil Consumption