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Pulley, HTD, 5M, 1-inch Bore, 28 Tooth

AEROMOTIVE-21112

Shipping Cut-Off:  USPS 9:30am EST / UPS 3:00pm EST

  • Designed for 5M pitch, 15mm wide HTD drive belt
  • Drive pulley featuring 1/8” keyed 1” bore for any 1” drive mandrel including Aeromotive P/N 21119 and 21120 Drive Mandrels.
  • Rated Mechanical Pump flow is at 4,000 Pump RPM. 
  • Maximum pump speed should not exceed 5000 RPM. A safe target pump speed is 4,500 RPM.
  • To calculate: Pump RPM = Engine RPM x the following %.
  • 28 tooth – 50% with 56 tooth driven pulley P/N 21112
  • 32 tooth – 57% with 56 tooth driven pulley P/N 21113
  • 36 tooth – 64% with 56 tooth driven pulley P/N 21114
  • 40 tooth – 71% with 56 tooth driven pulley P/N 21115

This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.