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
22-687HD	Rear	1,750lbs	4/1

This is a Heavy Duty upgrade for the OEM factory spring. NOTE: This is NOT the correct spring for 1995 and up Blazer, Jimmy and Bravada or the High Rider ZR2 or ZR9 models.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1195HD	Rear	1,700lbs	3/1

This is a Heavy Duty Spring and an upgrade in capacity from the stock spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1009HD	Rear	5,000lbs	8

*Standard Duty Version is also available