The Mounting Hardware Kit for the Hellwig Load Pro (LP) helper springs include zinc-plated hardware and brackets and is required to be purchased with every LP-25 and LP-35 leaf helper spring kit for proper installation. These kits are vehicle specific to allow the spring kits to mount with no modification.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2015-2019	Chevrolet	Silverado 3500 HD	High Country
2011-2019	Chevrolet	Silverado 3500 HD	LT
2014-2019	Chevrolet	Silverado 3500 HD	LTZ
2011-2019	Chevrolet	Silverado 3500 HD	WT
2015-2019	GMC	Sierra 3500 HD	Base
2014-2019	GMC	Sierra 3500 HD	Denali
2011-2019	GMC	Sierra 3500 HD	SLE
2011-2012,2014-2019	GMC	Sierra 3500 HD	SLT
2011-2014	GMC	Sierra 3500 HD	WT