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**1970cstblazer** · 09-22-2003, 03:32 AM

The "J" option codes from GM regard to the braking system. I cannot locate what the J63 code is..

The 514 is the paint code.

09-22-2003, 03:32 AM	#2
1970cstblazer All stock and staying that way Join Date: Jul 2003 Location: Elkland, PA Posts: 2,087	The "J" option codes from GM regard to the braking system. I cannot locate what the J63 code is.. The 514 is the paint code.