HP+® Pushrods - Fixed Length - XLFixed length chrome moly one piece pushrods 3 8" tube with 0. 065" wall thickness and 3 8" hardened ball ends Designed to exceed the needs of performance engines using larger lift camshafts and high spring pressures while maintaining proper and critical oil flow to top end valve gear Increased stiffness and column rigidity maximizing valve train stability, increasing engine rpm horsepower and torque output Will work with hydraulic or solid lifters and