Nissan KA24E-Compatible Rocker Arm Set – Fleet Supply
13257-40F06 Rocker Arm Set, Forged SAE 1045 Steel — replacement for Nissan KA24E SOHC 2.4L engines in 1989–1997 Hardbody Pickup, Stanza, 240SX, and Axxess platforms. Complete set maintains matched valve lift tolerances across all cylinders, preventing uneven timing that partial replacements cause Worn rocker arms show ticking noise and oil consumption increase — planned replacement at service intervals avoids cascading camshaft lobe and valve stem damage Supports fleet-level stocking for aging Nissan light-duty vehicles past 120,000 km Recommended replacement intervals and maintenance scheduling guidance ship with every order.