BOYESEN SUPERCOOLER WATER PUMP

Cover and Impeller Kit Increased coolant flow at all rpm ranges

Patented Nautilus-style impeller for hydrodynamic efficiency

Color/Finish: Black, Powder-Coated

Material: Aluminum

Model: Supercooler

Part number 850709 WPK-80AB

Replaces OEM 420822750,  420622020 and 420622022

This is the style with the larger output nipple roughly 1 inch in outer diameter.