any FR dealer should be able to get one. look for a Roo dealer also. Roo is the twin brand to the Shamrock and there are way more Roo dealers than Shamrock dealers.
or you could call FR parts dept. directly.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC