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Performance Valve Springs for Northstar V8

We have performance valve springs for all years of Northstar engine that will allow you to run a higher RPM on stock cams, and will also allow you to run our performance camshafts with more lift/duration.

This page is under construction - May 23, 2025

New Products

  • 1K Changer
  • Heater Pipes
  • 2000-2003 PCM Tuning
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  • 04-05 PCM Tuning
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