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CMS 3V Stage 1 Spring Kit - .550" lift

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Calculated at checkout

Product Description

Spring load at 1.64" 80lbs
Spring load at 1.120" 185lbs
Spring rate 190 lbs per inch
Coil bind 1.020"

Performance 550 lift beehive valve springs for the 3V Ford heads.  Drop in replacement, no machining necessary.  Fits stock retainers and seats.  Perfect for factory VCT that are not locked out. These Springs use an installed height of 1.640" instead of the typical 1.670" 3V Springs and will include a set of 24 .030" shims for the correct installed height. Made in the USA.

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