- The threaded section of the breather bolt measures approximately 11/16" long

Insulator Block with O-Ring for Super E Carburetor Use with all S&S 1-7/8" manifolds for Harley-Davidson motorcycles

Welding a simple tab or utilizing a stock location (such as the bottom holes on unit Triumph motor mount plates

allowing you to run some cool 1" risers on your bike but still use your 7/8" bars

Baffle is removable and repackable

Derby Oil Tank for Harley-Davidson Choppers Brand_Biltwell - The threaded section ofThese 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.