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CMS 4V Stage 2 Spring Kit - .500" lift High Load

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Calculated at checkout

Product Description

Spring load at 1.43" 120lbs
Spring load at 0.970" 252lbs
Spring rate 324 lbs per inch
Coil bind .900"

Performance .500 lift" beehive valve springs for the 4V Ford heads 96 and newer.  Drop in replacement, no machining necessary.  Fits stock retainers and seats.   Recommended valve spring for higher RPM N/A  and boosted apps less than 25lbs.  Made in the USA.

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