How much does this cost to the nearest dollar?

Powertrax 28 Spline (Grip Pro, Ford 8 )
Brute Force Devices For Rugged Applications. Traction Adding Differential Technology. Comes Fully Assembled. Delivers Automatic Mechanically Actuated Traction. Housed in a Fully Machined/Forged Steel Case. Best Value For Greatly Increased Traction. Proven In Most Demanding Applications. 2 Year Warranty Gear Driven Limited Slip 6 Helical Gears 8620 Internal Gears / Forged Steel Case Manufacturer Powertrax, Brand PowerTrax, Weight 1 pounds, Dimensions 8.7 x 8.3 x 8.8 inches, Country of Origin China, model number Is Discontinued No, Manufacturer Part OEM Part Rank Automotive Automotive Replacement Differential Assembly Kits 1957

Price is $405.00
Price: $404.91