Kibblewhite Racing Valve Spring Kit - .650" Lift - 20-21650

Maximize your engine's performance with the Kibblewhite Racing Valve Spring Kit. Engineered for demanding racing applications, this kit ensures optimal valve control and durability, allowing you to push your engine to its limits.

Description

This Kibblewhite valve spring kit is meticulously designed, considering critical parameters such as cam profiles, harmonics, spring natural frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM. The progressively wound springs, crafted from Kobe super-clean, chromium silicon (CrSi) based wire, undergo heat treatment and shot peening for enhanced strength and resilience. These processes ensure superior performance and extended fatigue life, even under extreme conditions. Upgrade your valve train with confidence, knowing you're using a top-tier, American-made product designed for optimal valve control and reliability. Whether you're building a high-performance street engine or a dedicated race machine, this valve spring kit is an essential component for achieving maximum power and consistent performance.

Features & highlights

• Optimized for specific applications, considering critical engine parameters.
• Progressively wound springs for improved valve control.
• Manufactured from Kobe super-clean, chromium silicon (CrSi) based wire.
• Heat treated and shot peened for increased durability and fatigue life.
• Complete kit services one engine.
• Proudly made in the USA.

Technical specifications

• Brand: Kibblewhite
• Vendor Part Number: 20-21650
• Application: Exhaust, Intake
• Collar Material: H.T. Steel
• Material: Chromium Silicon Alloy
• Product Name: Spring Kit
• Spring Lift: 0.650"
• Spring Open Pressure: 440 lb
• Spring Seat Pressure: 185 lb
• Type: Valve
• Units: Kit

Important to know

This kit contains all the necessary valve springs for one engine. No additional components are included.