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SKU: ATD-960912

KPMI SPRING KIT LIGHTWEIGHT RACING HT STEEL .445" LIFT YAMAHA 80-81800

KIBBLEWHITE
$323.24
$323.24
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This is a pre order item. We will ship it when it comes in stock.

MFG Part Number: 80-81800

  • High Performance Spring Kit
  • H.T. Tool Steel Retainers
  • Your Titanium Retainer Alternative

KPMI® performance valve spring kits are modeled using cam profile and simulation software. By utilizing Finite Element Analysis (FEA) software, it was possible to take advantage of the increased strength and wear resistance of a heat treated steel retainer, while reducing its mass to within grams of a comparable titanium retainer.