If you have a first gen "thick rod" 1uz and want to rebuild your engine with the stock pistons these are the rings you need.
Lexus Part #13011-50040 Replacement Piston Rings for early 1UZ engines (1989-1994 )
Brand: TPR (OEM supplier) Made in Japan
Standard Bore: 87.5mm
Height: 1.5mm×1.5mmx3mm