Quick Response from Park by email:
"Hello
Thank you for using our products and your inquiry.
We only offer dual heads with both Presta and Schrader...
#1096K $7.80 + shipping
#1081K $4.80 + shipping.
You may order these by calling the number below with a CC.
As for finding a Presta only head, we welcome to visit your local bike shop and ask them which companies offer this type of head.
Thanks again,
M"
Pretty good news!