Precision-engineered by in-house team of automotive experts, heavy-duty design withstands harsh conditions to deliver enduring quality. 3 Row radiator compatible with 1998-2005 Toyota Aristo S160 JZS161 2JZGTE Lexus GS GS300 GS400. Core Dimensions: (IN) 15.7"tall x 29"wide; Overall Dimensions:21"tall x 30" wide.Outlet Diameter:1.5";Inlet Diameter:1.37". Easy to install: Direct bolt-on OE fitment or replacement for factory unit, fast and simple installation without any drilling or modification. Whats in Box: 1x 3 Row Aluminum radiator. Compatible with: For 1998-2005 Lexus GS300 3.0L L6 For 1998-2000 Lexus GS400 4.0L L6 High Performance Racing Spec. 3-Row of tubes Core Racing Design Petcock Drain:OEM style brass petcock drain Core Size : 15.7"H×29"W Overall Size:21"H×30" W Upper Inlet Size:1.37" Lower Outlet Size:1.5" Transmission Oil Cooler: Yes All our products are 100% fully tested to ensure top quality. No Fitting Instructions Supplied! Professional Installation is Highly Recommended! PLS double check OEM radiator core/overall size & inlet/outlet location before ordering.