Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/15lb Bottle (20939BMF-15) 3518 There's no months of downtime

There's no months of downtime without your car to ship out and modify your existing wheel

All panels undergo rigorous quality inspection to ensure top fitment

It is Not intended for use on vehicles that have a single exit system

6280008 is a 6-pad rigid race disc made with high quality ceramic friction materials

Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/15lb Bottle (20939BMF-15) 3518 There's no months of downtimeThis Billet LT4 Supercharger Lid replaces the upper supercharger lid on all GM LT4 Superchargers for a quick and clean install. Nitrous and fuel are injected into each cylinder from the side of the runner providing direct port like distribution ensuring maximum performance. This lid is made from a solid piece of billet aluminum with 1 8NPT machined directly into the plate so there is no need to worry about gaskets leaking. The nitrous system comes