G35/350z 5/16" Upgraded Plenum Spacer Kit

 With no tuning required, this is a simple bolt on modification for increased throttle response and noticeable increases in Horsepower and Torque.

NO TUNE Required Track Use only

This kit provides everything you need to achieve the upgraded plenum setup including:

-5/16" Plenum Manifold Spacer

-All hardware/Bolts

-𝐅𝐢𝐭𝐬: 𝐆𝟑𝟓/𝟑𝟓𝟎𝐳