Billet Aluminum Gilmer Belt Drive Pulley Kit For Small Block compatible for Chevy 305 350 LWP

ApplicationFor Small Block compatible for Chevy 283 305 327 350 400 For use with long style water pumps with up to a 5/8" shaftSpecificationMaterial: Aluminum Belt Length: 40 1/2" Belt Width: 1 1/2" Belt Type: Gilmer "Cogged" Pulley Type: GilmerPackage included1*Billet aluminum water pump pulley 1*Billet aluminum crankshaft pulley 1*Chrome steel alternator pulley 1*40.5" Cogged beltFeature1. Made of high-quality materials. 2. Durable and practical. 3. With a long service life. 4. A well-designed substitute. 5. The cogged 1 1/2" wide "Gilmer" style belt prevents slippage. 6. Water pump and crank pulleys are a 1:1 ratio. 7. Crank pulley has V-belt groove that can be used to run power steering.Note1. Works with LONG water pump with 5/8" center shaft (Some shafts are 3/4"). 2. Will NOT work with air conditioner compressors. 3. Must be used with the factory alternator position, alternator pulley has outside lips to help keep belt aligned. 4. Works with mechanical water pumps only (will not work with electric water pumps) 5.Professional Installation Highly Recommended.