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SB Chevrolet 3 V-Groove Billet aluminum OEM style Crankshaft Pulley. This pulley fits Chevrolet V6 4.3L, 305 5.0L and 350 5.7L applications all years with a "V" belt. Replaces Mercruiser Part #90081A1 (OEM casting number 90081C)

Pulley Specifications:

  • 2.25" thick from damper face to front of pulley
  • 1st groove (alternator) 6.60" diameter
  • 2nd groove (sea pump) 5.05" diameter
  • 3rd groove (power steering) 6.60" diameter

Small Block Chevy 3 V-Groove Crank Pulley

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