One end is 1-1/2" inside diameter

friction losses

Formulated specifically for Big Twin Transmissions and dyed red

dependent on how much of a kick-up your solo seat has in the rear

8 stainless steel buttonhead screws to replace the OEM philips hardware

Smoothie Oil Tank for Harley-Davidson Choppers Seat Style_Solo Seats One end is 1-1/2" insideThese oil tanks are spun steel, hand made by Led Sled here in Ohio. The main body is 9 1 2" long and 5" diameter and they hold 3 1 2 quarts of oil. Each oil tank is raw steel and features three 1 4" NPT bungs for feed, return, and vent. Perfect for your Harley Davidson Chopper. Made in Ohio, U. S. A.