I thought I'd put all these in one place in case some of you are looking to pick up some deals. Feel free to add ones I've missed.
Maddog Motorsports (long kits, six mounts, pedal boards, etc)
http://www.914world.com/bbs2/index.php?showtopic=299474
914Rubber (rubber parts and a lot more)
http://www.914world.com/bbs2/index.php?showtopic=299379