These pumps are assembled with 356-T6 heat treated aluminum castings. Precision CNC machined components. The fan hubs are 1/2" thick and machined from billet steel. These pumps are preferred by many top engine builders for higher RPM applications.
- Fan hub has a dual pattern for 1-1/4" and 1-1/2" center to center fan mounting patterns
- Pump measures 5.581" from mounting point on block to front of hub flange
- To end of the hub snout is an additional .710" for an overall length of 6.291"
These stage 3 water pumps feature 1/2" thick steel fan hub with set screw for positive positioning and 356-T6 heat treated aluminum casting. There is higher flow and pressure for better cooling as well as equal flow to right and left cylinder heads. The 3/4" bearings offer 5 times the strength of standard bearings. Precision impeller installed to exacting tolerances. One year manufacturers warranty.
High Performance Water Pump Installation Instructions (pdf)