KIBBLEWHITE Valve Spring Kit

KIBBLEWHITE Lightweight Racing Valve Spring Kit (0.630" Lift) KIBBLEWHITE delivers a high-performance Valve Spring Kit engineered for confident valvetrain control. Designed for lightweight racing use, this kit features progressively wound chrome-silicon springs and titanium retainers to help maintain stability under demanding lift and RPM. Key Features Progressively wound using Kobe super-clean chrome silicon (CrSi) wire Heat-treated and shot-peened for durability Complete F.E.A (Finite Element Analysis) design Lightweight racing replacement Installed height: 1.555" Made in the USA Compatibility & Fitment Notes Requires KPMI shortened M-8 valve guides or modified stock valve guides. For '23-'25 CVO models , check valve lift to confirm compatibility with the KIBBLEWHITE spring kit. Specifications Application: Intake (and noted fitment includes Exhaust collar material) Model: Lightweight Racing Spring lift: 0.630" Material: Chrome-Silicon Spring open pressure: 317 lb Spring seat pressure: 101 lb Collar material: Titanium Units: Kit Riding style: Street Weight: 1.58 lbs  |  Dimensions: 7.75" x 6.75" x 2.25"