Throttle Body Coolant Steam Bypass Hose Tube Kit For Chevy Gm Ls Series Engines

100% brand new items, never used or installed. Coolant steam 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. Passenger's side port adapter has two 1/8" NPT ports, driver's side port adapter has one 1/8" NPT port. Includes 2 o-rings, 2 bolts, 2 coolant ports, 1 fitting (1/4" hose barb to radiator), 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/Re