Spring Kit .650"Vl Evo/Tc 20-21650

Racing Valve Spring Kit

Designed for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm

Progressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot peened

Complete set for one engine

Made in the USA

Kit Includes: • 4x CrSi Valve Springs • 4x H.T. Steel Retainers • 4x H.T. Steel Keepers • 4x H.T. Steel Basewashers