V2 4-Port LS Steam Kit – Designed for Low Profile Plastic & Aftermarket LS Intakes The Motion Raceworks V2 4-Port LS Steam Kit is engineered to solve coolant crossover issues common in stock and aftermarket LS engines with low-profile plastic or tight-fit intakes. It provides a proper four-corner steam/vent crossover setup while maintaining clearance under intake manifolds. Key Features: Built USA-style with machined 6061 aircraft aluminium components. Comes with black-coated Fragola braided lines and AN fittings. Includes four corner manifolds, a 5-port common manifold, mounting bracket, and all necessary hardware for installation. Includes a -4AN male fitting for coolant return to the radiator (return line not included). Radiator return line must be run just below the radiator cap to allow the system to properly relieve pressure and purge air/steam. Fitment / Compatibility: Suited for LS1, LS2, LS3, LS6, and similar LS engine intakes that have adequate clearance under the intake manifold. Works with many aftermarket intakes including the Fast 92, though does not fit the Fast 102 intake. Important Notes: This is a DIY kit — the consumer must do the plumbing/routing of the fittings and return line themselves. No radiator return hose/line supplied; return routing and length depends on application. Check clearance under the intake manifold; plastic intakes or low hoods may require verification before purchase. Why Choose This Kit:Because many LS engines suffer rear‐corner heat or steam blockage, this kit offers a high-flow, well-designed crossover solution built with premium materials. Owners report better coolant balance, easier bleeding of air/steam, and increased reliability under load once properly installed.
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