Specs of each bag: 
1500 Pound Load Rating
Diameter 5-3/4", Extended 11-1/4", Closed 6-1/8" 
Two Top Mounting Holes Measure Approx 2-3/4" from Eye to Eye
Bottom has One Mounting Hole in Center
All mounting holes are 3/8"-16 UNC

LIFETIME WARRANTY AIR BAGS
(WARRANTY DOES NOT COVER PUNCTURES,
ABRASIONS, ABUSE OR POOR INSTALL)