Chevy small block long water pump mid-performance ratio double 6-rib serpentine pulley kit. Designed to replace factory V-belt or steel serpentine pulleys. 7 standard rotation long water pump. Double 6&5-rib crank pulley (5 3/4). Single 6-rib water pump pulley (5 1/4).
Single 6-rib alternator pulley (2 3/4). All Pulleys are Clear Powder Coated for a Long Lasting Maintenance Free Finish.