Originally Posted by NYC Diesel

Hey guys I recently acquired a B4.1 and added a couple things to make it more race worthy like a futaba 4pl transmitter/receiver and s3305 servo, aluminum bulkhead, 8mm chassis and jconcept bar codes w/ groovies up front. I'm trying to figure out which modifications are most beneficial on the race track. I want to buy FT parts but they are ridiculously priced, are there any other options out there ? I want to get:

ball diff
better shocks
aluminum caster blocks

Thanks for any help.