Wilwood's newest and lightest Wide 5 hub. The weight advantage of magnesium with the reliability and price of aluminum. Rough tracks can take their toll on lesser parts. These hubs are permanent mold cast using a lightweight, high strength, aircraft aluminum alloy. Now there is no reason to gamble on reliability or pay too much to reduce un-sprung weight.Features:Choose Standard or Lightweight 5 Bolt rear drive flanges Front Hub includes Composite Snap Cap Available in Standard or Drilled 5/8" Course Wheel Studs Hub Weights with bearing races and: Un-drilled Studs: Front-6. 86 lbs. Rear-6. 99 lbs. Drilled Studs: Front-6. 57 lbs. Rear-6. 71 lbs.Pit Stop USA offers Wilwood Starlite "55" Wide 5 Rear Hub - Standard Studs 270-6513C at low everyday prices. Be sure to check out all of our products from Wilwood Engineering including Wilwood Engineering Wide 5 Hubs and Wilwood Engineering Hubs.