SSF-604-40 Air Helper Springs Left Right Front Rear 2PCS for oyota Tacoma Tundra T100 Pickup FJ Cruiser 4Runner Hilux Land Cruiser, Fit for LEXUS LX470 LX460. Durable Construction: Air helper springs SSF-604-40 made of durable materials help distribute weight more evenly, potentially reducing the wear and tear on the vehicle’s factory suspension.