best H pattern shifter for drag racing

I believe the hurst shifter for a bodies are new process 421's

Check out the trans id PDF on this page.

http://www.hurst-shifters.com/s.nl/c.723089/sc.26/category.7326/.f

here is the supers shifter link
http://www.hurst-shifters.com/hurst-products/STREET-SUPER-SHIFTER-/COMPETITION-PLUS-STREET-SUPER-SHIFTER

but i don't see anything there for linkages