How much does this cost to the nearest dollar?

Readylift 2 Block Kit for Chevy Silverado and GMC Sierra
ReadyLift OEM style rear block kits are now available for model specific applications. These rear block kits include two rear blocks, four E-coated U-bolts, eight nuts and washers and will safely lift the rear of the truck an additional 1 inch to 3 inch depending on application. Based on OEM designs and never made out of light weight extrusions the 2 inch GM blocks are made from cast iron and have anti-rotation ears built-in. Fits classic and new body style 6-lug model GM trucks. New model 2 wheel drive and 4 wheel drive trucks with OEM 1.25 inch blocks will want to take advantage of the additional 1 inch of lift for towing and hauling

Price is $158.00
Price: $157.56