Blue Silicone 350F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L RE9025 25 and 3613-1

25 and 3613-1

These 4 inch (102mm) long straight hoses have a 3" (76mm) ID with a smooth

The 3-ply reinforcement results in a working pressure rating in excess of 65 psi and a 4mm wall thickness (27mm / 1 1/16" OD)

1" long overall

Slide the large end of the reducing elbow over the nipple on the coolant reservoir

Blue Silicone 350F CAC Reducer Hose, 4.00 x 3.50" ID, 6" L RE9025 25 and 3613-1Charge Air Cooler (CAC) hose is specifically designed to handle the higher temperatures and pressures in high performance turbo and supercharged applications. Four layers of polyester reinforcement and 3 reinforcing rings allow operating pressures of 35 psi (142 psi burst pressure) and temperatures up to 350 F (180 C). Note that this temperature rating is best suited to the "cold" (post intercooler) side of the system. This hose is color coded Blue