1set 1GRFE Engine Piston & Piston Ring Kit 13101-31120-A0 13101-31030 for 03-09 4Runner FJ Tacoma 4.0 Car Part This piston and ring kit is designed for models equipped with the 1GRFE engine from 2003 to 2009, including the 4Runner, FJ , Tacoma, and Tundra.Constructed from cast aluminum, the pistons are built to support engine under regular and demanding driving conditions.The set includes one complete piston and ring assembly with part numbers 13101-0P020, 13101-31030, 13101-31120-A0, and MA-4216945975, providing all necessary components for a full engine rebuild.Designed specifically for 1GRFE engines, this kit proper fitment and function during reassembly.The package contains a full set of pistons, rings, and cylinder sleeves to support comprehensive engine restoration. Disclaimer: This is an aftermarket spare part.Trademarks are used only to specify compatible devices.