Aeroflow Fabricated Alloy Washer Tank with Motor & Low Profile Cap (AF77-1046)HOLDEN TORANA HQ WASHER TANK Suit Holden HD HZ, Torana LC UC, Polished Finish Part Number: AF77 1046 Dress up your engine bay with the Aeroflow Performance universal washer tanks. This reservoir is designed to replace the plastic molded factory tanks that are prone to failure. This tank is fully tig welded and made from 6061 aluminum. Featuring a 1 1 2" billet low profile cap welded on the top of each tank for refilling purposes. Each tank can hold 1.