99-17 TC RACE ADJUST PUSHROD KIT

Made in the USA Fueling pushrods can be used with factory pushrod tubes Can be used with hydraulic or solid lifters and street or race engines. HP+ Series® pushrod wall thickness of 0.120" and the Race Series® wall thickness of 0.145", both with 24 threads per inch adjustment Double jam nut lock system Minimal adjustment parameter eliminates flex and loss of valve-train stability problems Maintains maximum valve lift Race Series® recommended when extreme spring pressures are used. Increased stiffness and column rigidity maximizing valve-train stability, increasing engine rpm horsepower and torque output Pushrods can be adjusted 0.225" longer than stock to accomodate longer cylinders and smaller base circle camshafts. Requires removal of rocker covers and rocker arm supports.