BDS Suspension BDS121702 01 10 HD front shocks Driveshaft Boot Extension AL239006 Product Notes: 630080PC Running Boards 2010 2019 Toyota 4Runner Product Notes: 630080PC Running Boards + 6944356 Brackets + (2) 69420000PC Drop Down Steps thoroughly reliable marine equipment Description_DES 01 10 HD front shocks Driveshaft Boot Extension Description_EXT 01 10 HD front shocks Driveshaft Boot Extension Description_FAB Cost effective way to maintain factory front driveshaft after installing a lift kit Description_FAB Made from aluminum and uses internal sealing for precise fit Description_FAB Designed for BDS lift kits Description_MKT Prevent front driveline damage on your lifted 2001 2010 Chevy Silverado or GMC Sierra 2500HD or 3500HD with the BDS driveshaft boot extension The new boot extension allows for the factory boot to retain its original running length after the shaft slip moves out about 1" to compensate for the new front differential position after the lift is installed