Upper, Lower, and the spacer on the lower, it's about 5/8". The lower has a light port job on it from a local race shop done by the previous owner. He said he paid $300 for the port job.
Looking for $500 plus shipping.
Kooks #5035
2" Primaries, 3.5" collectors
mild steel $550 shipped
mild steel Jet-HOT $750 shipped
These are for fox body mustangs with 9.5" deck (351w blocks) and for CANFIELD/ AFR 225 / Z304 / PRO TOPLINE
I had a spec 1 and loved it, last year a spec 2 and loved it, and this year i'll have a spec 3 in the car.
Spec is the only company I would used for a single disc clutch