Aluminum SB Chevy “Short Style” Water Pump ALL31100 Popular “short style” water pump that was originally used on pre-
LS Electric Water Pump ALL31122
NEW!
1969 small block Chevrolets. Pumps are built using all new components and an aluminum body for added weight savings over original cast iron pumps.
• Fits LS Gen III/IV • Black Anodized Finish • Machined from 6061 T6 Billet Aluminum • High flow electric motor perfect for race applications • F-Body inlet/outlet location Pair with our Allstar inline thermostat housing if a thermo- stat is required! See page 73, ALL31160.
Pump features a 3/4" main shaft and bearings with a 5/8" pilot and a billet steel hub drilled for both small and large fan bolt patterns, making this a good choice for street and mild performance vehicles. Block mount to fan hub dimen- sion is 5-5/8". This pump is not recommended for use with mechanical fans over 5,000 RPM. Above this RPM, use the ALL31105 pump with a 3/4" shaft/bearing. Note: Water pump may need to be clearanced for use with 8" dampers. Aluminum SB Chevy “Corvette Style” Water Pumps
Water Pump Spacer Kits
Kits provide additional clear- ance needed for belt or gear drive timing systems. Gaskets are included.
This aluminum version of “Corvette style” water pump was originally used on 1971-82 small block Chevrolet Corvette, but is now used throughout the motor- sports industry. Pump is built using all new components and an aluminum body for added weight
ALL31072
ALL31070 ..... 1/8" ALL31071 ..... 1/4" ALL31072 ..... 3/8" ALL31073 ..... 1/2" ALL87230..... Replacement Gaskets Pulley Shim Kits Use shim kits to properly align pulleys. Water pump shims have dual bolt
ALL31105
savings over original cast iron pumps. Pump features 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. Block mount to fan hub dimension is 5-13/16". ALL31105 ..... Water Pump ALL31106 ..... Water Pump With 3/8"NPT Bypass Ports And Cam Stop Hardware Note: Water pumps may need to be clearanced for use with 8" dampers. Water Pump Cam Stop Kit ALL99415 Water pump cam stop 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”.
hole pattern to fit most GM and Ford water pumps. Crank pulley spacers are for small block Chevys. ALL31064..... Water Pump, 1/16", 1/16", 1/8" (3 Shims) ALL31066..... Crankshaft, 1/16", 5/64", 1/8" (3 Shims) Aluminum SB Chevy Reduction Pulleys
ALL31064
ALL31106
ALL31066
Specifically for short or Corvette water pumps, pulleys work with power steering pump and pulley
to provide a ratio within the GM specified RPM range. Race engine RPM differs greatly
ALL31040
ALL31030
from street engines. For 30% less water pump speed 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
www.allstarperformance.com
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