XJ Cherokee Boomerang Leaf Spring Shackles 5in Incl. Urethane Bushings and Hardware RockJock 4x4 Performance - Manifolds Allows more air flow to

Allows more air flow to your trans and steering coolers

Cnc machined from billet aluminum Available in clear or black anodize for corrosion protection and good looks Includes adapter and carburetor to adapter mounting hardware

Complete bolt on solution for your EFI conversion

Sierra/Silverado

XJ Cherokee Boomerang Leaf Spring Shackles 5in Incl. Urethane Bushings and Hardware RockJock 4x4 Performance - Manifolds Allows more air flow toJKS Greasable Heavy Duty Boomerang Rear Shackles for XJ Cherokees and MJ Comanches have been a staple of the off roading and desert racing world for decades! Boomerang shackles, due to their unique shape, allow the leaf spring eye to travel dramatically farther up and around the back of the vehicle in extreme articulation conditions, resulting in full compression and extension of the leaf springs. No matter the type of off roading you are doing, your