Well the price list I'm looking at for RPS, SPEC, ACT and CenterForce all list clutches for a FWD Silvia SR20DET, thus why I asked. Still reading the posts from SRB they say that all Pulsar clutches are actually S14 disks and cover plates with a Puslar bearing, so that's good enough for me.
Has anyone actually taken the time to read the Silvia forums? Seems a lot of people on there have had problems with both the RPS and ACT clutches causing crank walk and wearing out thrust bearings due to excessive clamp force!
I think I'll stick with SPEC clutches for now. We've been using them for years on the MR2's without problems.