5/8” uniform thickness - not angled.
Easy installation. Hardware included.
Factory plastic plenum cover and strut tower bar cannot be used in some applications.

Skunk2 Racing is proud to introduce its’ new VQ35 Nissan/Infiniti intake manifold plenum spacer
(patent pending). This spacer is dyno proven to outperform aftermarket manifold plenums currently being sold. The skunk2 spacer effectively increases plenum volume, lowers intake air temperatures, and allows front cylinders to breath more efficiently resulting in gains of up to 10+ hp to the wheels, and increased throttle response. Unlike other spacers on the market, Skunk2 spacers are made from a special carbon composite material (carbon impregnated nylon-6) that offers superior thermal insulation characteristics which also increases power by keeping the upper plenum and charge air temperatures lower. Because the stock upper plenum is used, the engine retains a factory appearance.