Description: 100% Brand New Items, Never Used Or Installed The Cogged 1 1/2" Wide "Gilmer" Style Belt Prevents Slippage. Water Pump and Crank Pulleys are a 1:1 Ratio. For Use with Water Pumps with Up to a 5/8" Shaft Must be Used With the Factory Alternator Position, Alternator Pulley has Outside Lips to Help Keep Belt Aligned Works With Mechanical Water Pumps Only (Will Not Work with Electric Water Pumps) Will Not Work With A/C Eequipped Vehicles Professional Installation in Highly Recommended(No Instruction Included) Fitment: .