Overview Reviews Product Description Brand new chrome steel double groove water pump pulley. This pulley fits 1965-68 big block chevy's with a short water pump. This pulley is 6.30 inch diameter with a bolt circle of 1.75 inch. Chrome Steel finish. Sold each. Product Videos Custom Field Product Reviews Write a Review Write a Review × Pirate Mfg BBC Chevy 396-454 Chrome Steel SWP Double Groove Water Pump Pulley Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *