Page 70 - 2019 Allstar Performance Parts and Equipment Catalog

COOLING Aluminum SB Chevy Water Pump

Spacer Kits
“Short Style”
Water Pump ALL31100
ance needed for belt or gear
Popular “short style” water Kits provide additional clear-
pump that was originally used on drive timing systems. Gaskets
pre-1969 small block Chevrolets. are included. ALL31072
Pumps are built using all new ALL31070 ..... 1/8"
components and an aluminum body for added weight ALL31071 ..... 1/4"
savings over original cast iron pumps. Pump features a ALL31072 ..... 3/8"
3/4" main shaft and bearings with a 5/8" pilot and a billet ALL31073 ..... 1/2"
steel hub drilled for both small and large fan bolt patterns, ALL87230 ..... Replacement Gaskets
making this a good choice for street and mild perfor-
mance vehicles. Block mount to fan hub dimension is Pulley Shim Kits
5-5/8". This pump is not recommended for use with Use shim kits to properly align pulleys.
mechanical fans over 5,000 RPM. Above this RPM, use Water pump shims have dual bolt hole ALL31064
the ALL31105 pump with a 3/4" shaft/bearing. pattern to fit most GM and Ford
water pumps. Crank pulley spacers
Note: Water pump may need to be clearanced for use with 8" dampers.
are for small block Chevys.
ALL31064 ..... Water Pump, 1/16",
1/16", 1/8" (3 Shims)
Aluminum SB Chevy ALL31066 ..... Crankshaft, 1/16", 5/64", 1/8" (3 Shims) ALL31066
“Corvette Style”
Water Pumps Aluminum SB Chevy Reduction Pulleys
This aluminum version of “Corvette Specifically for short or
style” water pump was originally ALL31105 Corvette water pumps,
used on 1971-82 small block ALL31106 pulleys work with power
Chevrolet Corvette, but is now steering pump and pulley
used throughout the motorsports to provide a ratio within the
industry. Pump is built using all GM specified RPM range.
new components and an alu- Race engine RPM differs greatly ALL31040 ALL31030
minum body for added weight from street engines. For 30% less water pump speed
savings over original cast iron and reduced weight and inertia, the crankshaft and
pumps. Pump features a 3/4" water pump pulleys are smaller in diameter than standard
main shaft and bearings with a 3/4" pilot and a billet reduction pulleys. Acceleration capabilities are greatly
steel hub that has a set screw retainer for use on higher enhanced.
RPM applications. Block mount to fan hub dimension is ALL31030 ...Crankshaft Pulley (4-3/4" Diameter)
5-13/16". ALL31040 ...Water Pump Pulley, Short Pump With 5/8" Pilot Hole
(6-5/8" Dia.)
ALL31105 ..... Water Pump ALL31050 ...Water Pump Pulley, Corvette Pump With 3/4" Pilot
ALL31106 ..... Water Pump With 3/8"NPT Bypass Ports And Hole (6-5/8" Dia.) Belts
Cam Stop Hardware
ALL86120 ....Belt, Crank To Water Pump, 31.5"
Note: Water pumps may need to be clearanced for use with 8" dampers.
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.
Water Pump Cam Stop Kit
ALL99415
Water pump cam stop NEW!
kit includes a 2" long
3/8"-24 threaded stud, washer and nut to
replace or add a cam stop bolt to a water pump equipped
with a stud mounting boss. Stud can be tightened against
timing cover when cam buttons are used to help prevent
“cam walk”.

Andy Barr Photo: JohnnyB Imagery
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