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With steel top & lower collars. Reduces total valve train mass. Great for stock & moderate performance builds. The one-piece Beehive style springs are manufactured from the highest quality clean chrome silicone wire; shot peened and heat treated for maximum fatigue life. Kit includes steel upper collars; lower collars; valve keys and seals. Works with stock 7mm valve stems. Max valve lift: .660". Installed height: 1.860". Seat pressure 178 lbs. Open pressure: 371 lbs. @ .660" valve lift. Note: See 524994 for replacement valve seals.
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
US$40
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