Part Number: 11-0402 Application: 1929-1952 WL1929-1949 G Details:.020 piston kit comes with .020 rings 2 wrist pins and 4 circlips. For 45 models. Pistons have a steel expansion control strut cast as original. Top ring measures 3/32 thick and the oil ring measures 1/8 thick.UOM: KIT Country of Origin: TAIWAN