Wheel Rim Codes
TAKASAGO 185 X19 4K 303
First stamp is the manufacturer Takasago, then the rim size, then a number, then a letter, then 3 numbers.
The number after the rim size is the year the rim was made. 2, 3, 4, 5 etc....197(2) 7(3) etc.
The letter denotes the month of manufacture.....A-L. Jan- Dec.
The last 3 numbers tell you if the rim is H1 or H2 or other model. The H1's are 305 rear, H2 is 303, S3 front is 308, S3 rear 307.