Improved 2ZZ oil pump Lotus specialist SSC Australia has developed an improved oil gerotor pump gear set for the 2ZZ. Machined from 4340 alloy steel. More info here: http://www.simplysportscars.com/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=172&category_id=15&option=com_virtuemart&Itemid=1