7/16 U Bolts (Pair) chevrolet-k5-blazer-1969 This is the only version

This is the only version available in the aftermarket

5" hole spacing on centers)

We have the original 10 leaf version

The centerbolt on the Colorado and Canyon is originally 5/16 and installing this spring will require modification to the centerbolt head or axle seat hole as it comes with a 3/8 centerbolt

1992 - 2006 E-150 (rear eye of rear spring on)

7/16 U Bolts (Pair) chevrolet-k5-blazer-1969 This is the only versionCustom U bolts made to your specifications. Product Description: This is a BRAND NEW set of Grade 5 hardened U bolts. These are the real thing, NOT the the low grade, under sized "universal" U bolts that you usually get with most lift kits and aftermarket bolt ons. We custom make all of our U bolts using the highest grade U bolt rods available, while specifically matching accurate and correct dimensions for every application. They use rolled threads