I also recently got a replacement tiller for my 1966 Pearson Ariel from H&L and am quite pleased with it. Here are the details:
323-636-1718
Tiller shape: E
bracket end height: 2 inches
bracket end width: 1 and 1/4 inches
length of tiller: 39 inches
curve height: 2 and 1/4 inches
$70.70 finished