Photo 1 of AMP Research PowerStep | 75113-01A | Fits Various 1999 - 2007 Chevrolet Silverado & GMC Sierra Extended & Crew Cab Vehicles (See Description)

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Photo 1 of AMP Research PowerStep | 75113-01A | Fits Various 1999 - 2007 Chevrolet Silverado & GMC Sierra Extended & Crew Cab Vehicles (See Description)Photo 2 of AMP Research PowerStep | 75113-01A | Fits Various 1999 - 2007 Chevrolet Silverado & GMC Sierra Extended & Crew Cab Vehicles (See Description)Photo 3 of AMP Research PowerStep | 75113-01A | Fits Various 1999 - 2007 Chevrolet Silverado & GMC Sierra Extended & Crew Cab Vehicles (See Description)