Basically new with gasket $50.00 shipped anywhere in us. paypal is ok. 1/2 inch plastic type plenum spacer , helps stop heat soak and adds plenum volume for stock style intake/upper car $25.00 shipped paypal ok
i dont know the pros or cons to the spacer . I have the rjc race plate already and just bought a new dog house thats already clean so I can do a swap in one day the clean mine up and put on the market