For Your Allstar Performance parts in Canada & USA, call Marken Performance @ 1-888-401-1362
Allstar Performance has improved this aluminum version of "Corvette style" water pump that was originally used on 1971-82 small block Chevrolet Corvettes but is now used throughout the motorsports industry. Allstar part numbers ALL31105 & ALL31106 are built using all new components and an aluminum body for added weight savings over original cast iron pumps. These water pumps feature a 3/4" main shaft and bearings with a 3/4" pilot and a billet steel hub that has a set screw retainer for use on higher RPM applications.
Part # ALL31106 comes with 3/8"NPT bypass ports and cam stop hardware.
There is provisions for heater but holes not drilled or tapped.
Block mount to fan hub dimension is 5-13/16". There is a set screw in hub.
Note: Water pumps may need to be clearanced for use with 8" dampers.
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