Requires removal of rocker covers and rocker arms for installation.
Made in the USA
Heat-treated with a black oxide finish
Heavy-duty 7/16" diameter tube with a wall thickness of 0.165"
Fixed length, 4130 chromoly one-piece pushrods with swedged formed ends
Feuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce valvetrain harmonics and associated hydraulic lifter issues