KIBBLEWHITE Valve Spring Kit — 0.630" spring lift, 317 lb open pressure – 18-25 Softail, 23-25 Touring, 17-25 Trike, 20-22, 24-25 CVO

High-performance valve spring kit designed as a lightweight performance replacement for aggressive applications.

Springs are progressively wound from Kobe super-clean wire, heat-treated and shot-peened for consistent performance.

Complete F.E.A. (finite element analysis) design improves durability and valvetrain stability.

Requires KPMI's shortened M-8 valve guides or modified stock valve guides; '23–'25 CVO owners should check valve lift for compatibility.

• 8x lightweight retainers
• 8x premium valve springs
• 8x heat-treated steel basewashers
• 8x red Viton® seals
• 8x heat-treated steel keepers (9°)

Made in the United States — race-ready and track-proven. 🏁🇺🇸