Steveoreno - Thanks for adding your Raybestos numbers to the rest of the parts info here. More info to share with other 'Bolters in the future as they find they need to replace their 1958-59 NAPCO front wheel brake cylinders!
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
More info to share with other 'Bolters in the future as they find they need to replace their 1958-59 NAPCO front wheel brake cylinders! 
