http://www.miata.net/garage/tirecalc.html
Vehicle Bolt Pattern Reference
http://www.discountedwheelwarehouse.com ... erence.cfm
ASTRO/SAFARI BOLT PATTERN
1985 - 2002 Astro/Safari
5 X 5" (5 X 127.0mm) bolt Circle
2003 - 2005 Astro Safari
6 X 5.5" ( 6 X 139.7mm) bolt Circle
Wheel Offset Guide
![Image](http://i43.photobucket.com/albums/e390/Someonebikes/AS%20Backup/offset6.jpg)
STOCK 6 1/2" WHEEL
![Image](http://i43.photobucket.com/albums/e390/Someonebikes/AS%20Backup/offset7a.jpg)
Aftermarket 7" alloy wheel with 3 3/4" Backspace
![Image](http://i43.photobucket.com/albums/e390/Someonebikes/AS%20Backup/offset7b.jpg)
Aftermarket 7" alloy wheel with 4 1/2 Backspace
![Image](http://i43.photobucket.com/albums/e390/Someonebikes/AS%20Backup/offset8a.jpg)
Aftermarket 8" alloy wheel with 3 3/4 Backspace
![Image](http://i43.photobucket.com/albums/e390/Someonebikes/AS%20Backup/offset8b.jpg)
Aftermarket 8" alloy wheel with 4 1/2 Backspace
OTHER VEHICLES WITH 85-02 ASTRO BOLT PATTERN
*note - Offset and hub center will need to be verified as it varys by year and model
71-96 Buick SeSabre
77-78 Buick Riviera
71-96 Buick Roadmaster
68-94 Cadillac Brougham/Calias
68-88 Cadillac DeVille
77-79 Cadillac Seville
71-76 Chevy Belair/Biscayne
71-96 Chevy Caprice (HD)
94-96 Chevy Impala SS
88-98 Chevy/GMC 1/2 ton 2WD trucks
94-99 Chevy Suburban 2WD
95-99 Chevy Tahoe/Yukon 2WD
98-02 Chevy Savanna/Express vans
73-78 Ford Galaxie/Futura
99-01 Jeep Grand Cherokee (wrong offset)
73-77 Mercury Cougar XR
OTHER VEHICLES WITH 03-05 ASTRO BOLT PATTERN
03-up Chevy Savana/Express vans
88-up Chevy 1500 4X4 (including Tahoe, suburban)
99-up Chevy Silverado/sierra 2WD
79-98 Toyota 4X4's
87-93 Mazda B-Series
74-92 Jeep Wagoneer