Spectre Performance® - Crankshaft Pulley
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Spectre Performance® 4389

Crankshaft Pulley
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Spectre's high quality crankshaft, alternator and engine pulley sets are designed to help dress up your engine compartment. All of our pulleys are designed to work in OE applications and with the OE style serpentine or v-belt configuration. Full overview
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Product details

Since 1983 Spectre has designed and offered unique and innovative parts and components to fuel your car or truck obsession. Our products are designed and tested to perform and last. We have a state of the art chassis dynamometer with diagnostic and emissions testing and performance optimizing capabilities, as well as a top of the line Super-Flow flow bench with airflow, pressure, and velocity measuring capabilities in both intake and exhaust modes, and also a whole bunch of expensive scientific laboratory type equipment, all of which are used to develop Quality Products that Perform. From humble beginnings in a two car garage, to setting world records and becoming the first wheel driven, gasoline powered car to run over 400 mph.
  • SKU: 4389
  • UPC: 089601438900
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Item Details

alternator pulley diameter 6.625 in (168 mm)
color Machined
crankshaft pulley groove style Single
crankshaft pulley shaft diameter 1.25 in (32 mm)
crankshaft pulley woodruff key compatible No
finish Machined
item type High Performance
material used Aluminum
package contents 1 Pulley
package material Plastic Other
package type Blisterpack
prop 65 (c, r or cr) CR
prop 65 yes/no Yes
weight 1.2 lb (0.6 kg)
outer diameter 6.625 in
groove quantity 1

Vehicle Fitment

Chevrolet
GMC

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