Page 72 - 2018 Allstar Performance Parts and Equipment Catalog

COOLING SB Chevy 1:1 Crank Pulley

Ratio Pulley Kits
Mandrel Kit ALL31031
Double groove aluminum
breakage and is made
pulley kits include belts and
specifically for use
can be used with Kit prevents mandrel bolt
block or head with Allstar ALL31030
mount power crank pulley. Mandrel
steering pumps and is attached to the
short water pumps. Water pump pulley has a 5/8" ALL31080 crankshaft pulley with
diameter hole. Components are also sold separately. three bolts, while the vibration damper is retained with
ALL31080 ..... Kit For Block Mount Power Steering Pump the stock bolt. The mandrel bolt is then connected to the
ALL31082 ..... Kit For Head Mount Power Steering Pump mandrel – not to the crankshaft – to reduce engine har-
ALL31083 ..... Kit For No Power Steering monics (helps prevent loosening or breaking). Kit includes
spacers, pulley guides, and bolts to work effectively with
Related Parts
ALL31084 ..... 1:1 Crank Pulley (6-5/8") most 3, 4, and 5 stage dry sump pumps, alone or with
ALL31085 ..... 1:1 Water Pump Pulley (6-5/8") belt driven fuel pumps. Pulleys sold separately.
ALL86121 ..... Belt, Crank to Water Pump, 34" Replacement Parts
ALL86123 ..... Belt, Crank/Water Pump/Block Mount P/S Pump, 41" ALL31032 ..... Crank Pulley Mandrel
ALL86125 ..... Belt, Crank/Water Pump/Head Mount P/S Pump, 44" ALL31033 ..... Mandrel End Washer
ALL31034 ..... Stepped Washer
V-Belts ALL31035 ..... Pulley Guide
Premium quality V-belts are ALL31036 ..... Mandrel Keyway, 1/8"
ALL31037 ..... Mandrel Bolt, 5/16"-18 x 1" (3-Pack)
perfect replacements for worn ALL31038 ..... Mandrel End Bolt, 1/2"-13 x 4"
or cracked belts.
ALL86120 ..... 31.5" ALL86123 ...... 41" Mandrel Spacers
ALL86121 ..... 34" ALL86124 ...... 42"
ALL86122 ..... 39" ALL86125 ...... 44" Aluminum spacers properly space and align pulleys when
used with a 1/8" keyed mandrel. The same spacers are
SB Chevy 1:1 Ratio found in the ALL31031 Mandrel Kit. Sold each.
Reduction Pulley Kits Belts Sold ALL31020 ..... 1/4" Thick Spacer
Separately
ALL31022 ..... 1/2" Thick Spacer
Premium 1:1 pulley kits fea- ALL31024 ..... 3/4" Thick Spacer
ture 4-3/4" diameter pulleys ALL31026 ..... 1" Thick Spacer
with 1/2" wide grooves for use ALL31028 ..... 1-1/4" Thick Spacer
with industrial grade belts. The
increased belt width helps reduce Gilmer Belt Pulleys
belt slippage when used with high Black anodized,
performance mechanical fans. The aluminum heat-
small diameter pulley combination provides a ALL31090 treated pulleys
30% RPM reduction when using a power steering pump accept 1" wide,
with a 6" pulley. Note: Pulleys are designed to use with 3/8" pitch drive
short “Corvette Style” 3/4" shaft water pump (ALL31105 belts. The 28T ALL26440 ALL26420 ALL26460
or ALL31106). water pump pulley (ALL26460) is most commonly used
ALL31090 ..... Kit For Block Mount Power Steering Pump with the 17T crank pulley (ALL26442) and a 22.5" Gilmer
ALL31092 ..... Kit For Head Mount Power Steering Pump belt (ALL86132) for a 40% pump speed reduction.
ALL31093 ..... Kit For No Power Steering ALL26420 ..... 28-Tooth Oil Pump, 5/8" Bore And 3/16" Keyway
Replacement Parts ALL26440 .... 16-Tooth Crank, 1" Bore And 1/8" Keyway
ALL31094 ..... 1:1 Crank Pulley (4-3/4") ALL26442 ..... 17-Tooth Crank, 1" Bore And 1/8" Keyway
ALL31095 ..... 1:1 Water Pump Pulley (4-3/4") ALL26460 ..... 28-Tooth Water Pump, 2" Wide

Performance V-Belts Gilmer Belts
Industrial grade V-belts are slightly 1" wide, assorted lengths.
wider than standard V-belts and ALL86130 ..... 21.0"
are used with the Allstar reduction style 1:1 pulley kits with ALL86132 ..... 22.5" ALL86136 ...... 25.5"
1/2" wide pulley grooves. The wider contact area helps ALL86134 ..... 24.0" ALL86138 ...... 27.0"
reduce slippage when using high performance mechanical
fans. Note: These will not work with standard width TECH TIP
pulleys that are designed for 7/16" wide V-belts. Belt Tension - Gilmer style belts are properly tensioned
ALL86127 ..... 29" ALL86129 ...... 41" when belt can be twisted 1/2 turn.
ALL86128 ..... 37"
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