The vintage peanut has never gone out of style and this 2.0 gallon (7.5 liter) version won''t take you far but it is perfect for a rad chop to tune into some true 70''s vibes. - 2.0 gallon (7.5 liter) capacity - High tunnel with front & rear mounting tabs - Compatible with stock 1-1/2" (38mm) diameter frame tubes; for easy installation - Takes single pre-83 bayonet style vented gas cap - 1/4" NPT threaded for custom petcock - Approx. dimensions: 14-3/4" (37.5cm) long x 8-1/2" (21.6cm) wide. Tunnel height front 6" (15.2cm); rear 1" (2.5cm); length 17-5/8" (44.8cm) Note: Not compatible with standard H-D petcocks. Use custom 1/4" NPT petcock; like Paughco 980211 or 980210 or other. Note: It is advised to pressure test; seal and test fit all tanks before tanks are painted and installed. Some tanks are painted; but this coat is applied for rust prevention during storage only.