Feuling, Hp+ One Piece Pushrods

Maintain maximum valve lift! Eliminate pushrod flex, reduce valve-train harmonics and increase valve lift Fixed Length 4130 Chrome moly one piece pushrods with swedged formed ends. Heavy duty 7/16" diameter tube with 0.165" wall thickness, precision concentricity, heat treated with a black oxide finish. Intake and Exhaust pushrods are stock replacement lengths and designed to work with the factory base circle camshaft dimensions. These pushrods work with Feuling 525, 543, 574 cam grinds. Note: If using a camshaft other than Feuling 525, 543, 574, please contact your camshaft manufacture to verify if the base circle is stock sized or modified. Quick install pushrods are said to be easier to use, however they cannot compare to a solid pushrod for strength and durability Note: For large lift smaller base circle camshafts see Feuling 707312 which are 0.030" longer / Fitment: 99-17 Twin Cam(NU)