Jones SBC/BBC Serpentine Water Pump Pulley Kit (7800-9200 RPM)

Billet aluminum pulleys with black hardcoat finish to help with wear resistance maximizing performance at high race RPM’s maximizing belt contact for traction, reducing the risk of belt unseating

5" upper water pump pulley and 4.25" lower crank pulley

Features a lower pulley with a reversible registering ring making it compatible with small block Chevy and big block Chevy crank snouts with big turnover nut

All mounting hardware included

Spare serpentine belt included (JRP6PK-695HD)