This is a braided Cooler Line Kit with 90 degree & straight fitting hose ends. Perfect for upgrading from old steel cooler lines to something much more durable. Specifications Inside Diameter: .34 Outside Diameter: .55 Max PSI: 750 Min bend radius: 2.5" This kit includes: (2) straight hose ends, (2) 90 Degree hose ends, 6L80-E / 6L90-E Cooler Manifold, and (2) 10 ft black braided hose that allow you to connect AN-6 fittings to your cooler lines. These Braided Cooler lines will work on 6L80-E & 6L90-E Transmissions. * Recommended for Aftermarket applications. Not Recommended for OE Vehicles due to possible clearance restrictions. May have to modify the vehicle for fitment. * Recommended for Aftermarket applications. Not Recommended for OE Vehicles due to the type of lines, this is intended for aftermarket -6AN lines.* No cooler or cooler / radiator fittings are included. * Only includes the fittings for the transmission case. This is intended for aftermarket transmission coolers with -6AN Fittings. * The buyer is responsible to determine which you need, remove the stock adapters, and measure the diameter of the threads. If measurement is 0.5568" they are 9/16 - 18. If they measure 0.521", the 1/4 NSPT option, which is the most popular, is required. O-rings included. Made of aluminum and may be anodized.