1970 - 72 GS / GSX Part Number Restoration Guides These books will give you all the correct part numbers needed to restore your GS or GSX back to it's original condition. It takes the guess work out of parts collecting! Other features included Model Identification, Vehicle Identification, Fisher Plate Identification, Protect-O-Plate Information, Paint Codes with full color chart, Vinyl Top Colors and Codes, Convertible Top Colors and Codes, Interior Codes and Colors, Factory Option Codes and Production Numbers. (as well as all the Part Numbers for every aspect of the car) These books are available direct from Mr. Walker and also in stock at Stage 1 Restoration.com 50th Anniversary Edition In stock also!!! Books are $55.00 Each Plus Priority Mail Shipping The "Quick Reference Guide" is $25.00 (plus shipping) More info on these and easy online ordering on my new website > https://www.stage1restoration.com/product-category/restoration_books/ I accept Pay Pal and all major Credit Cards. Order by phone by calling (715) 874-6037 Shop Hours Monday - Friday 1 pm to 6 pm Central time. Thanks for Looking, Best Fastener Collection in the country for 1970 - 1972 Buick GS, GSX & Skylark! And Made in the USA. Don't like dealing with the Big Name Retailers? Give me a shout. I'll be happy to help and share 30 + years of experience in Racing & Restoring Buick Muscle Cars.