1. Wide Application: suitable for all engines of series, such as for series LS1 LS3 LS6 LS7 LSX Engines. 2. Function: When steam is and pressure builds up, this can lead to pre explosion, head gasket and piston failure, and more.Our kits hook up the engine, remove steam and send it where it's needed. 3. Exquisite Workmanship: CNC aluminum manifolds and corner ports combined with Stainless steel. The aluminum block is black anodized. 4. Easy Installation: The coolant crossover steam vent kit fits almost any running style air intake today, easily attaching to all modified engines. Placement on Vehicle:Engine Item Type: Coolant Crossover Kit name:Steam Vent Coolant Crossover Kit Fitment: Fit for series LS1 LS3 LS6 LS7 LSX Engines Compatible Air Intakes: Replacement for Hi Ram Replacement for Replacement for Pro- XT Replacement for Super Replacement for Replacement for Junior Replacement for Stock Style Plastic Gen 3 Truck Air Intake Note: 1. This kit clear factory knock sensors on Gen 3 engines. 2. For LS3 L92 and other heads have the rear ports blocked off. This block off is a simple aluminum plug. You can knock this plug out from the bottom out (if heads are off) with a punch.It can also be carefully drilled out as our corner blocks seal off the top flat .DO NOT enlarge the hole size overall.Care must be taken to not let aluminum chips fall into the head passage so we suggest multiple careful drills with vacuuming in between and possibly greasing the drill bit. Material: Stainless Steel + Aluminum Color: As Shown Package Contents: 1 x Steam Vent Coolant Crossover Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.