Racing valve spring kit - steel retainer

Designed for its specific application, taking into account critical parameters such as cam profiles, harmonics, spring natural frequency, valve train mass, required pressure, wire tension, service life and engine rpm.
Progressive rate springs manufactured from Kobe super-clean chromium-silicon (CrSi) wire, heat-treated and shot-peened
Complete set for an engine
Manufactured in the USA
Spring base fits 0.625" guide.
• 4x CrSi valve springs
• 4x H.T. steel retainers
• 4x H.T. steel base washers
• 4x H.T. steel safety pins (pair)



Specifications


Brand
KIBBLEWHITE


Supplier reference
20-21150


Application
Exhaust, Intake


Spring lift
0,600"


Spring lift
0,600"


Style
Racing


Material
Chromium-silicon alloy


Gasket material
H.T. Steel


Model
Lightweight Racing


Product name
Spring kit


Seat spring pressure
152 lb


Open spring pressure
387 lb


Type
Valve


Units
Kit