Now I get it, Acronym for "Hey I Can Ass-Steer"Alvin wrote:no it's Nissan's all-wheel-steering
Z32tt's have it as well, most people remove it
Early version, the Swing Bike. Always wanted one, but I heal slower now.
Damn, there's one on Ebay
http://www.ebay.com/itm/Vintage-70s-Swi ... 0764809136