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DESCRIPTION:
4.6 5.4 2V SPRING KIT MOLY RETAINERS .550" LIFT
These spring kits will fit all 99-UP PI heads and offer increased pressure and will allow up to .550" lift. Perfect for boosted engines, upgraded camshafts and increased RPM. The valve springs are a beehive design, and the complete kits include all springs, retainers, and new valve keepers. Parts included are:
16 Beehive Springs to fit in stock heads
85 lbs seat pressure
250 lbs open pressure
Up to .550" Lift
16 Chrome Moly Retainers
16 Multi groove valve keepers
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Valve springs 
