Designed for '11-'14 and '15+ 5.0L Coyote and Boss engines, this beehive spring kit offers increased valve control at high RPM while allowing for higher valve lift from performance cams. Includes properly matched retainers, seals and seats.
Designed for both 2011 - 2014 and 2015+ Ford Coyote and Boss 5.0L engines.;Create higher load, higher RPM and more lift capacity than stock.;Increased valve control at high RPM.;.510" Maximum Lift
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