Aluminati 19mm Billet NA/JDM Manifold Spacers - ALM-19MM-MANIWanna try an NA or JDM long runner manifold? You need these to clear the AVCS. Made from 6061 billet aluminum and left raw to look pretty as possible. Both sides have o ring grooves so you never have to worry about leaks or using silly gaskets. Don't forget about our 2. 5i JDM Fuel Rail Adapter either!! These also work great in reverse manifold setups Specs: Machined from billet 6061 aluminum O ring sealed, no gaskets needed Comes with hardware for