Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-797HD	Rear	3,300lbs	7/1

*1999 and Up Chevy/GMC Silverado/Sierra Trucks require front eyebolt adaptor kit In order to use this spring This is an upgrade for the stock springs on any model of Chevy/GM Pickup. It was designed more for extra heavy applications on the 3500 1 ton models, but it can be used...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-795-1	Rear	N/A	1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1085SHD	Rear	5,000lbs	10

This is a direct replacement/upgrade for the OEM factory spring. 

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1157	Rear	2,775lbs	3/1

This is a direct replacement/upgrade for the OEM factory spring.