EngineQuest has introduced a new catalog supplement to the aftermarket. The supplement is an update to the company's 2010-2011 catalog.  The supplement includes new applications for cylinder heads, cylinder head bolt sets, oil pans, oil pan rail set, cam thrust plates, guide plate conversion kits, dipstick tube, standard transmission flywheel, and valve cover.  To obtain a copy of EQ's new catalog supplement, contact AAEQ at (800) 426-8771 or visit