March Performance 7005 Performance Ratio Clear Powder Coated Billet Aluminum V-Belt Pulleys - Set of 3 Set includes: One single-groove crank pulley 5-1/2" diameter, one single V-groove water pump pulley 6-1/4" diameter and one single V-groove alternator pulley with cover 2-11/16" diameter Clear powder coated finish to eliminate polishing in hard-to-reach places Replaces the low performance V-belts and eliminates belt throwing 90 day Limited Warranty Reduces accessory drag and provides an increase of 12-15 horsepower at rear wheels