Overview Reviews Product Description Fabtech FTS26064 Rear Shock Extension Box Kit for 2006-2018 Chevrolet Silverado Fabtech FTS26064 Product Videos Custom Field Product Reviews Write a Review Write a Review × Fabtech Fabtech FTS26064 Rear Shock Extension Box Kit for 2006-2018 Chevrolet Silverado Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *