New small block chevy aluminum pulley and belt kit for long water pump, 25% reduction, upper pulley fits 5/8" or 3/4" water pump shaft. Kit includes 2 groove upper and 2 groove lower pulley and pair of belts. Buy with confidence - we have been in the machine shop and racing parts business full time for 26 years. Any questions call Performance Auto at 1-800-682-7166, ask for Tom. Iowa residents add 7% sales tax.!!! CHECK OUR OUR OTHER AUCTIONS !!!! Please visit our website at www.performanceauto.us