you beat me to the punch and in fact i saved an old 1991 professional Boatbuilder mag just so i would remember there products . And they actually have two sites and the other is www.preforms.com
Stingers do go past the Bilge Bulkhead yes sir!
They are the full length and seem to be a bit soft 15+ or so inches in front of the Bulk/Pepsi can
It's the Diet that killed it