Chevy GMC - C/K/R 10/15/20/25/K5 Blazer/Jimmy - Leaf Spring (Rear, 7 Leaves) gmc-k1500-4wd-1994 *The Topkick/Kodiak has three different

*The Topkick/Kodiak has three different style of suspensions

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

This is made by an actual SRI OE Spec manufacturer

Some GMT800 trucks have frames with off-set mounting holes for the rear spring hanger

This version has 1" less arch and may result in a lower rear ride height

Chevy GMC - C/K/R 10/15/20/25/K5 Blazer/Jimmy - Leaf Spring (Rear, 7 Leaves) gmc-k1500-4wd-1994 *The Topkick/Kodiak has three different*The 22 485 is a lower arch spring than the 22 489. For a higher arched spring you can view the 22 489 by clicking HERE*This spring was not originally offered and is an upgrade for the Colorado and Canyon. 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.