2.15″ bolt circle. For use with v-belt pulley system. Aluminum Water Pump Pulley Bolt Kit:R0005. Bolt Pattern: 2.15″.
RPC R9479 Aluminum Double Groove Short Water Pump Pulley – Satin
RPC R9478 Aluminum Single Groove Short Water Pump Pulley – Satin
RPC R9482 Aluminum Single Groove Long Water Pump Pulley – Satin
RPC R5010RED Aluminum Radiator Cap [16 lb., Plain Top, Red]
RPC R8850 Aluminum Air Compressor Clutch Cover Sanden 508
Boss 429 XE-148003 Nascar aluminum double-rotor oil pump Dry Sump