4072 One-Piece Pushrod - Stock Length for Small Block Chevy Engines - High Performance Push Rods for Racing, Hot Rods & Engine Rebuilds

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. Fixed length, 4130 chromoly one-piece pushrods with swedged formed ends. Heavy-duty 7/16" diameter tube with a wall thickness of 0.165" Heat-treated with a black oxide finish. Stock replacement lengths. Designed to work with factory base circle camshaft dimensions. Made in the U.S.A.