Seller notes

Up for sale is KPMI 2008-2017 FXDF Dyna Fat Bob Harley Davidson SPRING KIT .610 LIFT HD TC. The vendor part number is 20-21400. Please read the title to know what is for sale Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attentio...

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