Page 72 - 2020 Allstar Performance Parts and Equipment Catalog

COOLING Aluminum SB Chevy “Short Style” LS Electric Water Pump

ALL31122
Water Pump ALL31100
Popular “short style” water pump
that was originally used on pre- NEW!
1969 small block Chevrolets.
Pumps are built using all new
components and an aluminum • Fits LS Gen III/IV
body for added weight savings • Black Anodized Finish
over original cast iron pumps.
Pump features a 3/4" main shaft and bearings with a 5/8" • Machined from 6061 T6 Billet Aluminum
pilot and a billet steel hub drilled for both small and large • High flow electric motor perfect for race applications
fan bolt patterns, making this a good choice for street and • F-Body inlet/outlet location
mild performance vehicles. Block mount to fan hub dimen- Pair with our Allstar inline thermostat housing if a thermo-
sion is 5-5/8". This pump is not recommended for stat is required! See page 73, ALL31160.
use with mechanical fans over 5,000 RPM. Above this
RPM, use the ALL31105 pump with a 3/4" shaft/bearing.
Water Pump
Note: Water pump may need to be clearanced for use with 8" dampers.
Spacer Kits
Aluminum SB Chevy “Corvette Style” Kits provide additional clear-
Water Pumps ance needed for belt or gear
drive timing systems. Gaskets
This aluminum version of “Corvette are included.
style” water pump was originally ALL31070 ..... 1/8" ALL31072
used on 1971-82 small block ALL31071 ..... 1/4"
Chevrolet Corvette, but is now ALL31072 ..... 3/8"
used throughout the motor- ALL31105 ALL31073 ..... 1/2"
sports industry. Pump is built ALL87230 ..... Replacement Gaskets
using all new components and an
aluminum body for added weight Pulley Shim Kits
savings over original cast iron Use shim kits to properly align pulleys.
pumps. Pump features a 3/4" Water pump shims have dual bolt
main shaft and bearings with a hole pattern to fit most GM and Ford
3/4" pilot and a billet steel hub water pumps. Crank pulley spacers ALL31064
that has a set screw retainer for are for small block Chevys.
use on higher RPM applications. ALL31106
Block mount to fan hub dimension is 5-13/16". ALL31064 ..... Water Pump, 1/16",
1/16", 1/8" (3 Shims)
ALL31105 ..... Water Pump ALL31066 ..... Crankshaft, 1/16", 5/64",
ALL31106 ..... Water Pump With 3/8"NPT Bypass Ports And 1/8" (3 Shims) ALL31066
Cam Stop Hardware
Note: Water pumps may need to be clearanced for use with 8" dampers. Aluminum SB Chevy Reduction Pulleys
Specifically for short or
Water Pump Cam Stop Kit ALL99415
Corvette water pumps,
Water pump cam stop kit includes a 2" long pulleys work with power
3/8"-24 threaded stud, washer and nut steering pump and pulley
to replace or add a cam stop bolt to provide a ratio within the
to a water pump equipped with GM specified RPM range.
a stud mounting boss. Stud can Race engine RPM differs greatly ALL31040 ALL31030
be tightened against timing cover when cam buttons are from street engines. For 30% less water pump speed
used to help prevent “cam walk”. and reduced weight and inertia, the crankshaft and
water pump pulleys are smaller in diameter than standard
reduction pulleys. Acceleration capabilities are greatly
enhanced.
ALL31030 ...Crankshaft Pulley (4-3/4" Diameter)
ALL31040 ...Water Pump Pulley, Short Pump With 5/8" Pilot Hole
(6-5/8" Dia.)
ALL31050 ...Water Pump Pulley, Corvette Pump With 3/4" Pilot
Hole (6-5/8" Dia.) Belts
ALL86120 ....Belt, Crank To Water Pump, 31.5"
ALL86122....Belt, Crank/Water Pump/Block Mount P/S Pump, 39"
ALL86124 ....Belt, Crank/Water Pump/Head Mount P/S Pump, 42"
Note: Crankshaft pulley will work with either water pump pulley without spacers.
Jordan Bartz
70 www.allstarperformance.com