Andrews completely adjustable pushrods easily replace the nonadjustable stock pushrods on Evolution enginesRocker boxes must be removed for installationMade in the U.S.A.
These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatDesigned for modified 80" to 88" motorsVery broad powerband to 6000 rpmFor use with high lift springs and...