There are a few that I know of:
1. OHC Motoring - in Northridge, up Tampa I think. I can't remember how far, but go to Yahoo Yellow Pages or something to find it.
2. 2KRacing - on Reseda, in Tarzana/Reseda. It's just past Victory on a corner. Once again, yellow pages. They also have a website (2kracing.com) that's very complete, and if you order online (usually outside of LA area) it's free ground shipping. This is the one I've been to the most, nie guys, decent prices, and if you're lucky they have crazy unannounced specials on certain items (almost got headers for half off once).
3. Traffic Jamz - I'm not sure if this is a speed shop (never been inside) but it has wheels stacked inthe window and looks like an audio/speed shop. Could be wrong.
Those are the ones I know of. Hope this helped, a while ago I couldn't find any so I finally asked a ricer at Pep Boys. Take it easy.
