20-21300 Kpmi Sprng Kit .610 Lift Evo 84-99 Tc '99-04 5/16 Stem Valves
20-21300 Kpmi Sprng Kit .610 Lift Evo 84-99 Tc '99-04 5/16 Stem Valves
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20-21300 Kpmi Valve Spring Kit
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 attention to cam and spring harmonics, stress, mass and operating rpm.
Valve Spring Kit
Categories: Harddrive
Prop 65 Warning: WARNING: CANCER/DEVELOPMENTAL
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.