OEM replacement valve spring kit

Designed to maintain original pressures and work with original cam profiles
Retainers, secure and bases designed using FEA (finite element analysis) for maximum mechanical strength
Springs manufactured from Super Clean chrome-silicon valve wire, heat-treated and shot-peened
Manufactured to original OEM specifications using modern high-quality materials, design protocols and advanced manufacturing techniques.
Manufactured in the USA
The spring base fits a 0.625" guide.
The kit includes:
• 4x CrSi valve springs
• 4x H.T. steel retainers
• 4x H.T. steel base washers
• 4x H.T. steel lock nuts (pair)



Specifications


Brand
KIBBLEWHITE


Supplier reference
20-20850


Application
Exhaust, Intake


Spring lift
0,415"


Spring lift
0,415"


Material
Chromium-silicon alloy


Gasket material
H.T. Steel


Model
OEM Replacement


Product name
Spring kit


Seat spring pressure
129 lb


Open spring pressure
272 lb


Type
Valve


Units
Kit