Risers are on 3-1/2" centers and fit most hydraulic Harley-Davidson front ends

) so you can fabricate mounts easily

It also fits both left and right side gas tanks on H-D Big Twins 1936-1964

These piston ring compressors are perfect for 650 c

Lowbrow Fuel Reserve Bottle Vendor_Colony Machine- Lowbrow Risers are on 3-1/2" centersLowbrow Fuel Reserve Bottle. Holds 30 fl. oz. (887 ml) of fuel. These are ultra light, seamless extruded aluminum with an O ring sealed cap. Height 10 5 8 inches and Diameter 3 1 8 inches. The Lowbrow Fuel Reserve Bottle Carrier, sold separately, is a convenient and low cost way to secure your fuel bottle during your travels. You can also buy a Lowbrow Customs Fuel Reserve Bottle and Carrier Combo as a set and save yourselves some dough! Click here to