• 100% brand new items, never used or installed.
• Coolant port crossover throttle body bypass hose kit.
• Made by OEM approved manufacturers with materials that meets or exceeds strict OEM requirements.
• Manufactured from high quality CNC-machined T-6061 billet aluminum for superior strength and durability.
• Helps increase the flow of coolant through the engine block, reducing engine temperature & eliminating hot cylinders and detonation.
• Used to simplify the plumbing of the steam ports in the LS engine cylinder head.
• Includes 4 o-rings, 4 bolts, 2 threaded coolant ports, 2 plugs, and 1 stainless steel braided hose.
• ** Can be installed on the front or rear of the cylinder heads. **
• No installation guides are included, we highly recommend seeking professional installation.

Compatible/Replacement for:

• Universal - Chevrolet / General Motors LS-Series Engines

** Compatible with thread sealant on hose fittings (not included). **

** Compatible with factory style head bolts or aftermarket 12 point head studs. **

*** Not compatible with FAST 102 intake manifolds. ***