Custom fuel tank for 04-06 Sportster models that will replace your OEM gas tank and let you re-use stock hardware and 83-up stock style screw gas caps. Takes 22mm threaded petcock (not included) and installs on the left side. Approx. dimensions: 12″ (60.5cm) wide, 21″ (53cm) long, 9″ (23cm) high, tunnel length 21″ (53cm), tunnel width 3.25″ (8.3cm), tunnel depth 5″ (12.7cm). 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.