Throttle Return Spring Kit – Holley 4150

  • Throttle return spring kit for Holley 4150 and HP series carburetors.
  • Made to clear low profile racing air cleaners.
  • Manufactured from sturdy 12 gauge steel and finished in E-coat satin black.
  • Kit includes heavy and light sets of stainless steel return springs, all mounting hardware and complete installation instructions.
SKU: 085 64919



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