Complete Rocker Arm Set 13257-40F06 for Nissan KA24E – Scheduled Maintenance
13257-40F06 Rocker Arm Set for Nissan KA24E 2.4L SOHC 12V engines, complete assembly for proactive valve train maintenance. Schedule replacement before ticking noise progresses to cam lobe and valve stem wear across aging 1989–1997 fleet units Full set fitment maintains uniform valve timing and pressure rather than swapping individual arms Sustained aftermarket supply supports Hardbody Pickup, 240SX, Stanza and Axxess models as OEM availability thins Replacement interval guidance included with shipment for fleet maintenance planning.