[9 seconds]

I just checked mine out and it is a 3/8 - 16 thread. These knobs will fit.

http://www.mrgasket.com/ProductDetails.aspx?brandId=1&productID=22511&majID=825&minID=&selection=23&minselection=
http://www.mrgasket.com/ProductDetails.aspx?brandId=1&productID=22461&majID=825&minID=&selection=23&minselection=
http://www.mrgasket.com/ProductDetails.aspx?brandId=1&productID=22457&majID=825&minID=&selection=23&minselection=
http://www.mrgasket.com/ProductDetails.aspx?brandId=1&productID=22466&majID=825&minID=&selection=23&minselection=



You can buy them at Jegs.
http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=1920&prmenbr=361
http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=1921&prmenbr=361

 

[Stingray]

Here is a pic of my Hurst shift knob...

 

[Sitedrifter]

Love the extra red button. Nitrous?

I am really hooked on installing a pistol grip shifter knob if I do change out the factory one. Here is HURST one I found but is not the right thread size but looks like the one I would want to use.

http://go.mrgasket.com/e-images04-350//1536000.jpg

Site

 

[SRTFirefighter]

I think BOOMER has a pistol grip like that. Maybe he can help ya out.