SuperPro Rear Greaseable Shackle Bushings & Hardware 2005 2017 Nissan Frontier 4WD (KIT141SK). 2005 2017 Nissan Frontier 4WD Rear Greaseable Shackle Bushings & Hardware by SuperPro The Shackles and Fixed Pins are often overlooked when upgrading the suspension of a 4WD. The original shackles and fixed pins corrode and destroy the bushings and it is the leaf spring bushings that stabilize the movement of the rear axle. Worn or inferior bushes in this area will cause the solid rear axle to move and impart rear end passive steer to the vehicle leading to the vehicle 'wandering' all over the road and be unstable under heavy braking. This can be especially noticeable carrying a load or towing a boat or caravan. By fitting the complete package of Greaseable Shackles, Fixed Pins and Bush Kit the rear end of any 4WD will handle just about anything that is throw at it! Features High quality polyurethane bushings More durable alternative to the original rubber bushings Maintain rear axle alignment and thrust angle much longer Applications 2005 2014 NISSAN NAVARA (Frontier) D40 What's In The Box? 1 Set of Greaseable Shackles 1 Set of Fixed Pins 1 Set of Bushings Warranty Manufacturer Standard Warranty