Ultra light under drive serpentine pulley set for the Ford 2.3 Mini Stock race engines. Pulley kit features a ultra light water pump pulley (4.5" in diameter), aluminum crank pulley (2.5" in diameter) and also a 4 rib serpentine belt.

Don't bolt on a huge 7" water pump pulleys, we kept the same ratio, just made everything smaller to reduce rotating weight.  Designed using state of the art 3D modeling software and tested using Finite Element Analysis testing, these pulleys are designed to withstand the toughest racing conditions. Designed for the 4 plug 2.3 engine as used in Mini Stock racing series. 

Features (August 2024 Updates):

  • Under Drive Pulley Kit is now machined from 7075 Aluminum for almost twice the hardness of 6061. All the competitor gears are made from 6061. 
  • Pulleys now have a PTFE coating in the anodizing for reduced friction and protect from rubber build up.
  • ARP 12pt mounting bolts with integrated washer is included.  

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Under Drive Pulley Kit | Serpentine | Aluminum| Ultra Light | Ford 2.3L

  • Brand: NeedHP
  • Product Code: UnderDrive-Kit
  • Availability: 4
  • $179.99
  • $169.99


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