Valve Spring Kit

Valve Spring Kit - Lightweight Racing - 0.630" Lift - H.T. Steel Retainers - M8

• Springs are progressively wound using Kobe super-clean, chrome silicon (CrSi) based wire that is heat-treated and shot-peened
• Complete F.E.A (Finite Element Analysis) design
• Lightweight racing replacement
• Installed height is 1.555"
• Made in the USA
• Requires KPMI's shortened M-8 valve guides or modified stock valve guides.
• '23-'25 CVO's check valve lift to determine compatibility with KPMI spring kit.