WnSEu MSCRP LS Throttle Body Bypass Hose Kit | LS Coolant/Steam Port Crossover

WnSEu MSCRP LS Throttle Body Bypass Hose Kit — Clean, Flexible Coolant Routing for GM LS Engines

The WnSEu MSCRP LS Throttle Body Bypass Hose Kit is designed to straighten and organize the coolant and steam lines between the throttle body area and the rear of the cylinder heads on GM LS engines. Built for versatility, it accommodates different engine bay layouts and makes it easier to route hoses without stressing the stock fittings. The steel braided hose adds a durable feel and resists temperature cycling, while the included ports provide a neat connection point for additional cooling paths.

With two ports and matching O-rings, mounting hardware, and sealing material, this kit offers a compact, all-in-one solution for builders and enthusiasts who want a clean, reliable crossover path. Whether you're assembling a daily driver, a weekend warrior, or a track-focused build, the kit is designed for straightforward installation and long-term reliability. It can be placed on the front or rear of the cylinder heads, offering flexibility to suit your engine bay configuration.

What’s included

• Two O-rings for a secure seal
• Two bolts for mounting stability
• Two coolant ports for flexible connections
• One PTFE tape for thread sealing where required
• One steel braided hose for durability under heat and vibration

Installation considerations

• Thread sealant is not included, plan to source separately
• Compatible with all GM LS series engines; not compatible with FAST 102 intake manifolds
• Can be installed on the front or rear of the cylinder heads to fit your setup

Why choose this kit

Choosing a dedicated bypass hose kit helps organize cooling paths and reduce bottlenecks where hot coolant or steam could affect nearby components. The combination of a steel braided hose and ported connections offers a balanced blend of stiffness, flexibility, and leak resistance. As with any aftermarket plumbing modification, results depend on your specific engine bay, climate, and driving style. Use as part of a comprehensive cooling strategy rather than a stand-alone upgrade.

Note: The information here reflects the listed features and typical use cases. It does not constitute a medical claim or a guaranteed performance result.