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Car was totaled but was able to pull these off. Both parts have less than 6 months and 6000 miles on them.
I have a Motordyne 5/16 Spacer with the Iso Thermal Valve and a Stillen Z-tube. For the spacer you will need to purchase bolt set and Aramid gasket from MotorDyne from here: http://www.motordyneengineering.com/index.php?cPath=1_5
Z-tube = $50+shipping
Spacer w/ Iso Thermal Valve = $120+shipping
Prices are negotiable, or if you are local to the Bay Area I would rather not ship these. I work full time so if I do not respond right away don't worry.