Part #: 5041
The Stage 3 Single Beehive valve spring set, includes new 4340 Chro-molly spring seats and Titanium Retainer set. This kit is capable of 11000+ RPMS, with as much as 12.5mm of lift. This is a must have for anyone pushing the limits of their Evolution. If you have had problems with valve float or throwing rocker arms this is the spring set that will cure your problems.
Spring/Retainer Kit; Beehive Single High Pressure Spring; Titanium Retainer; Uses OEM Spring Seat
Lift CB0.620″
Seat Pressure 97 @ 1.57 / 238 @ 0.450″