Beefed Up Four Corner Steam Vent Kit For GM LS Series Engines With Stainless Steel Lines And CNC Aluminum Manifolds A Complete Four Corner Coolant Crossover Upgrade For LS1 LS2 LS3 LS6 LS7 LSX LM7 LQ4 LQ9 L33 And Other GM LS Swaps
✔️ Complete four-corner cooling for LS engines and swaps
The Four Corner LS coolant vent kit is a complete four-corner coolant crossover upgrade for GM LS engines. It’s designed to vent trapped air and steam from all four cylinder-head corners, helping maintain even coolant flow and prevent hot spots in LS1, LS2, LS3, LS6, LS7, LS9, LSX, LQ4, LQ9, LM7, L33 swaps and other GM LS swaps.
✅ Universal LS Series compatibility: LS1, LS2, LS3, LS6, LS7, LS9, LSX and common swaps
✅ Complete four-corner cooling to vent air and steam from all heads
✅ Premium CNC aluminum corner manifolds with stainless braided lines
✅ Full installation hardware included: fittings, bolts, O-rings, and thread sealant
✅ Low-profile design fits under most intakes in LS swap projects
💡 What is an LS engine four-corner steam vent kit used for and why upgrade cooling?
A handy upgrade helps manage coolant and heat across all four head corners.
- Improves trapped air and steam removal to reduce hot spots and gasket failures- Enhances coolant flow around LS heads for LS1/LS2/LS3/LS6/LS7/LS9/LSX swaps
- Uses stainless braided lines and CNC aluminum manifolds for durability
- Fits under most intake manifolds during LS swap installs
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