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Billet Specialties 81320

Crankshaft Pulley SB-Chevy Short Water Pump

135-81320

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Billet Specialties 81320 Crankshaft Pulley SB-Chevy Short Water Pump $69.95
Crankshaft Pulley
  • SB-Chevy Short Water Pump
  • 3-Groove

  • Specifications:

    Pulley Material
    Billet Aluminum
    Hardware Included
    No
    Pulley Style
    V-Belt Pulley
    Crankshaft Nose Cover Included
    No
    Overdrive
    No
    Quantity
    Sold individually
    Underdrive
    No
    Outside Diameter
    6.438 in.
    Pulley Finish
    Polished
    Groove Quantity
    3
    Manufacturer's Part Number:
    81320

    The benefit of a billet aluminum pulley over a cast pulley is equal density. With a cast pulley, the aluminum is poured into a mold then allowed to cool. This process can create variations in density throughout the pulley. Dense areas are heavier than the more porous areas causing the pulley to vibrate at high RPM. Billet Specialties billet pulleys are equally dense throughout; Equal weight translates to a true and balanced pulley drive system. Fully polished.

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