Posted at http://www.goboatracing.net/view_news.aspx?newsid=198
11. 51.12 – All existing open cockpit KRR boats shall have a maximum cubic inch limit of 470 c.i. The maximum supercharger size allowed shall be a GMC 8-71 design series roots type blower (includes aftermarket replacements). All newly constructed (after 2/2/2006) KRR boats must have registered reinforced cockpits.
12. 51.12 A – The minimum weight limit for all existing open cockpit KRR oats shall be 2250 lbs. (including driver).
13. 51.12 B – The driver shall wear a Kevlar driving suit.
14. 51.13 – All open cockpit KRR boats are prohibited from participating in Kilo Events.